Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Concept explainers

Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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Chapter 7, Problem 29RE

Height of a Tree A hill makes an angle of 14.3° with the horizontal. From the base of the hill, the angle of elevation to the top of a tree on top of the hill is 27.2°. The distance along the hill from the base to the tree is 212 ft. Find the height of the tree.

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Chapter 7 Solutions

Trigonometry (11th Edition)

Ch. 7.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.1 - CONCEPT PREVIEW Consider each case and determine...Ch. 7.1 - CONCEPT PREVIEW Consider each case and determine...Ch. 7.1 - CONCEPT PREVIEW Consider each case and determine...Ch. 7.1 - CONCEPT PREVIEW Consider each case and determine...
Ch. 7.1 - Find the length of each side labeled a. Do not use...Ch. 7.1 - Find the length of each side labeled a. Do not use...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Prob. 19ECh. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining side s and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Determine the remaining sides and angles of each...Ch. 7.1 - Why can the law of sines not be used to solve a...Ch. 7.1 - 30. In Example 1, we begin (as seen there) by...Ch. 7.1 - 31. Eli Maor, a perceptive trigonometry student,...Ch. 7.1 - Prob. 32ECh. 7.1 - 33. Distance across a River To find the distance...Ch. 7.1 - Distance across a Canyon To determine the distance...Ch. 7.1 - Distance a Ship Travels A ship is sailing due...Ch. 7.1 - 36. Distance between Radio Direction Finders...Ch. 7.1 - Distance between a Ship and a Lighthouse The...Ch. 7.1 - 38. Distance across a River Standing on one bank...Ch. 7.1 - Height of a Balloon A balloonist is directly above...Ch. 7.1 - 40. Measurement of a Folding Chair A folding...Ch. 7.1 - 41. Angle Formed by Radii of Gears Three gears...Ch. 7.1 - 42. Distance between Atoms Three atoms with...Ch. 7.1 - 43. Distance to the Moon The moon is a relatively...Ch. 7.1 - Ground Distances Measured by Aerial Photography...Ch. 7.1 - 45. Ground Distances Measured by Aerial...Ch. 7.1 - 46. Ground Distances Measured by...Ch. 7.1 - Find the area of each triangle using the formula A...Ch. 7.1 - Prob. 48ECh. 7.1 - Find the area of each triangle using the formula A...Ch. 7.1 - Find the area of each triangle using the formula A...Ch. 7.1 - Find the area of each triangle ABC. See Examples 4...Ch. 7.1 - Find the area of each triangle ABC. See Examples...Ch. 7.1 - Prob. 53ECh. 7.1 - Find the area of each triangle ABC. See Examples...Ch. 7.1 - Find the area of each triangle ABC. See Examples...Ch. 7.1 - Find the area of each triangle ABC. See Examples...Ch. 7.1 - Find the area of each triangle ABC. See Examples...Ch. 7.1 - Prob. 58ECh. 7.1 - Area of a Metal Plate A painter is going to apply...Ch. 7.1 - Prob. 60ECh. 7.1 - Triangle Inscribed in a Circle For a triangle...Ch. 7.1 - Prob. 62ECh. 7.1 - Prob. 63ECh. 7.1 - Aerial Photography Aerial photographs can be used...Ch. 7.2 - 1. CONCEPT PREVIEW Which one of the following...Ch. 7.2 - CONCEPT PREVIEW Which one of the following sets of...Ch. 7.2 - CONCEPT PREVIEW In each figure, a line segment of...Ch. 7.2 - CONCEPT PREVIEW In each figure, a line segment of...Ch. 7.2 - CONCEPT PREVIEW Determine the number of triangles...Ch. 7.2 - CONCEPT PREVIEW Determine the number of triangles...Ch. 7.2 - Prob. 7ECh. 7.2 - CONCEPT PREVIEW Determine the number of triangles...Ch. 7.2 - CONCEPT PREVIEW Determine the number of triangles...Ch. 7.2 - CONCEPT PREVIEW Determine the number of triangles...Ch. 7.2 - Find each angle B. Do not use a calculator.Ch. 7.2 - Find each angle B. Do not use a calculator.Ch. 7.2 - Find the unknown angles in triangle ABC for each...Ch. 7.2 - Find the unknown angles in triangle ABC for each...Ch. 7.2 - Find the unknown angles in triangle ABC for each...Ch. 7.2 - Find the unknown angles in triangle ABC for each...Ch. 7.2 - Find the unknown angles in triangle ABC for each...Ch. 7.2 - Find the unknown angles in triangle ABC for each...Ch. 7.2 - Prob. 19ECh. 7.2 - Prob. 20ECh. 7.2 - Solve each triangle ABC that exists. See Examples...Ch. 7.2 - Prob. 22ECh. 7.2 - Solve each triangle ABC that exists. See Examples...Ch. 7.2 - Prob. 24ECh. 7.2 - Solve each triangle ABC that exists. See Examples...Ch. 7.2 - Prob. 26ECh. 7.2 - Solve each triangle ABC that exists. See Examples...Ch. 7.2 - Solve each triangle ABC that exists. See Examples...Ch. 7.2 - Solve each triangle ABC that exists. See Examples...Ch. 7.2 - Solve each triangle ABC that exists. See Examples...Ch. 7.2 - Apply the law of sines to the following:...Ch. 7.2 - Prob. 32ECh. 7.2 - Without using the law of sines, why can no...Ch. 7.2 - Prob. 34ECh. 7.2 - Use the law of sines to solve each problem. 35....Ch. 7.2 - 36. Height of an Antenna Tower The angle of...Ch. 7.2 - 37. Height of a Building A flagpole 95.0 ft tall...Ch. 7.2 - 38. Flight Path of a Plane A pilot flies her...Ch. 7.2 - Use the law of sines to prove that each statement...Ch. 7.2 - Prob. 40ECh. 7.2 - Prob. 41ECh. 7.2 - Prob. 42ECh. 7.2 - Prob. 43ECh. 7.2 - Prob. 44ECh. 7.3 - CONCEPT PREVIEW Assume a triangle ABC has standard...Ch. 7.3 - CONCEPT PREVIEW Assume a triangle ABC has...Ch. 7.3 - CONCEPT PREVIEW Assume a triangle ABC has standard...Ch. 7.3 - CONCEPT PREVIEW Assume a triangle ABC has...Ch. 7.3 - CONCEPT PREVIEW Assume a triangle ABC has standard...Ch. 7.3 - CONCEPT PREVIEW Assume a triangle ABC has standard...Ch. 7.3 - CONCEPT PREVIEW Assume a triangle ABC has standard...Ch. 7.3 - Prob. 8ECh. 7.3 - Find the length of the remaining side of each...Ch. 7.3 - Find the length of the remaining side of each...Ch. 7.3 - Find the measure of θ in each triangle. Do not use...Ch. 7.3 - Find the measure of in each triangle. Do not use...Ch. 7.3 - Solve each triangle. Approximate values to the...Ch. 7.3 - Solve each triangle. Approximate values to the...Ch. 7.3 - Solve each triangle. Approximate values to the...Ch. 7.3 - Solve each triangle. Approximate values to the...Ch. 7.3 - Solve each triangle. Approximate values to the...Ch. 7.3 - Prob. 18ECh. 7.3 - Solve each triangle. See Examples 2 and 3. A =...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. C =...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. C =...Ch. 7.3 - Prob. 22ECh. 7.3 - Solve each triangle. See Examples 2 and 3. 23. a...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. a = 28...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. a =...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. a = 189...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. a = 965...Ch. 7.3 - Prob. 28ECh. 7.3 - Solve each triangle. See Examples 2 and 3. 29. A...Ch. 7.3 - Prob. 30ECh. 7.3 - Solve each triangle. See Examples 2 and 3. B =...Ch. 7.3 - Prob. 32ECh. 7.3 - Solve each triangle. See Examples 2 and 3. 33. A...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. 34. B...Ch. 7.3 - Solve each triangle. See Examples 2 and 3. 35. a...Ch. 7.3 - Prob. 36ECh. 7.3 - Prob. 37ECh. 7.3 - Prob. 38ECh. 7.3 - Distance across a River Points A and B arc on...Ch. 7.3 - Prob. 40ECh. 7.3 - Angle in a Parallelogram A parallelogram has sides...Ch. 7.3 - 42. Diagonals of a Parallelogram The sides of a...Ch. 7.3 - 43. Flight Distance Airports A and B are 450 km...Ch. 7.3 - 44. Distance Traveled by a Plane An airplane...Ch. 7.3 - 45. Distance between Ends of the Vietnam Memorial...Ch. 7.3 - Prob. 46ECh. 7.3 - 47. Distance between a Ship and a Rock A ship is...Ch. 7.3 - Distance between a Ship and a Submarine From an...Ch. 7.3 - Truss Construction A triangular truss is shown in...Ch. 7.3 - Prob. 50ECh. 7.3 - Prob. 51ECh. 7.3 - Prob. 52ECh. 7.3 - Prob. 53ECh. 7.3 - 54. Distance on a Softball Diamond A softball...Ch. 7.3 - Prob. 55ECh. 7.3 - Prob. 56ECh. 7.3 - Prob. 57ECh. 7.3 - Path of a Ship A ship sailing due east in the...Ch. 7.3 - Length of a Tunnel To measure the distance through...Ch. 7.3 - Prob. 60ECh. 7.3 - Find the measure of each angle θ to two decimal...Ch. 7.3 - Prob. 62ECh. 7.3 - Find the exact area of each triangle using the...Ch. 7.3 - Prob. 64ECh. 7.3 - Find the area of each triangle ABC. See Example...Ch. 7.3 - Prob. 66ECh. 7.3 - Prob. 67ECh. 7.3 - Prob. 68ECh. 7.3 - Find the area of each triangle ABC. See Example 5....Ch. 7.3 - Prob. 70ECh. 7.3 - Prob. 71ECh. 7.3 - Prob. 72ECh. 7.3 - Area of the Bermuda Triangle Find the area of the...Ch. 7.3 - Prob. 74ECh. 7.3 - 75. Consider triangle ABC shown here. (a) Use the...Ch. 7.3 - Prob. 76ECh. 7.3 - Prob. 77ECh. 7.3 - Prob. 78ECh. 7.3 - Prob. 79ECh. 7.3 - Prob. 80ECh. 7.3 - Prob. 1QCh. 7.3 - Prob. 2QCh. 7.3 - Prob. 3QCh. 7.3 - Prob. 4QCh. 7.3 - Find the area of triangle ABC if a = 19.5 km, b =...Ch. 7.3 - Prob. 6QCh. 7.3 - Prob. 7QCh. 7.3 - Height of a Balloon The angles of elevation of a...Ch. 7.3 - Prob. 9QCh. 7.3 - Prob. 10QCh. 7.4 - Refer to the vectors m through t below. Name all...Ch. 7.4 - Refer to the vectors m through t below. Name all...Ch. 7.4 - Refer to the vectors m through t below. Name all...Ch. 7.4 - Refer to the vectors m through t below. Name all...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - CONCEPT PREVIEW Refer to vectors a through h...Ch. 7.4 - 17. From the results of Exercises 13 and 14, docs...Ch. 7.4 - From the results of Exercises 15 and 16, docs it...Ch. 7.4 - Prob. 19ECh. 7.4 - Prob. 20ECh. 7.4 - Prob. 21ECh. 7.4 - Prob. 22ECh. 7.4 - Use the parallelogram rule to find the magnitude...Ch. 7.4 - Use the parallelogram rule to find the magnitude...Ch. 7.4 - Use the parallelogram rule to find the magnitude...Ch. 7.4 - Use the parallelogram rule to find the magnitude...Ch. 7.4 - Prob. 27ECh. 7.4 - Prob. 28ECh. 7.4 - Prob. 29ECh. 7.4 - Prob. 30ECh. 7.4 - 31. Direction and Magnitude of an Equilibrant Two...Ch. 7.4 - Direction and Magnitude of an Equilibrant Two...Ch. 7.4 - Prob. 33ECh. 7.4 - Prob. 34ECh. 7.4 - 35. Magnitudes of Forces A force of 176 lb makes...Ch. 7.4 - Prob. 36ECh. 7.4 - 37. Angle of a Hill Slope A force of 25 lb is...Ch. 7.4 - Prob. 38ECh. 7.4 - 39. Force Needed for a Monolith To build the...Ch. 7.4 - 40. Force Needed for a Monolith If the causeway in...Ch. 7.4 - Prob. 41ECh. 7.4 - Prob. 42ECh. 7.4 - Prob. 43ECh. 7.4 - Weight of a Crate and Tension of a Rope A crate is...Ch. 7.4 - 45. Distance and Bearing of a Ship A ship leaves...Ch. 7.4 - 46. Distance and Bearing of a Luxury Liner A...Ch. 7.4 - Distance of a Ship from Its Starting Point...Ch. 7.4 - 48. Distance of a Ship from Its Starting Point...Ch. 7.4 - 49. Distance and Direction of a Motorboat A...Ch. 7.4 - Movement of a Motorboat Suppose we would like to...Ch. 7.4 - 51. Hearing and Ground Speed of a Plane An airline...Ch. 7.4 - Path Traveled by a Plane The aircraft carrier...Ch. 7.4 - Airspeed and Ground Speed A pilot wants to fly on...Ch. 7.4 - 54. Bearing of a Plane A plane flies 650 mph on a...Ch. 7.4 - 55. Bearing and Ground Speed of a Plane A pilot...Ch. 7.4 - Bearing and Ground Speed of a Plane A pilot is...Ch. 7.4 - Bearing and Airspeed of a Plane What bearing and...Ch. 7.4 - 58. Ground Speed and Bearing of a Plane A plane is...Ch. 7.4 - Ground Speed and Bearing of a Plane An airplane is...Ch. 7.4 - Prob. 60ECh. 7.5 - CONCEPT PREVIEW Fill in the blank to correctly...Ch. 7.5 - CONCEPT PREVIEW Fill in the blank to correctly...Ch. 7.5 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.5 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 7.5 - Prob. 5ECh. 7.5 - CONCEPT PREVIEW Fill in the blank to correctly...Ch. 7.5 - Prob. 7ECh. 7.5 - CONCEPT PREVIEW Fill in the blank to correctly...Ch. 7.5 - Prob. 9ECh. 7.5 - Prob. 10ECh. 7.5 - Prob. 11ECh. 7.5 - Find the magnitude and direction angle for each...Ch. 7.5 - Prob. 13ECh. 7.5 - Prob. 14ECh. 7.5 - Prob. 15ECh. 7.5 - Prob. 16ECh. 7.5 - Prob. 17ECh. 7.5 - Prob. 18ECh. 7.5 - Write each vector in the form (a, b). Round to...Ch. 7.5 - Write each vector in the form (a, b). Round to...Ch. 7.5 - Write each vector in the form (a, b). Round to...Ch. 7.5 - Write each vector in the form (a, b). Round to...Ch. 7.5 - Write each vector in the form (a, b). Round to...Ch. 7.5 - Write each vector in the form (a, b). Round to...Ch. 7.5 - Use the figure to find each vector: (a) u + v (b)...Ch. 7.5 - Use the figure to find each vector: (a) u + v (b)...Ch. 7.5 - Use the figure to find each vector: (a) u + v (b)...Ch. 7.5 - Use the figure to find each vector: (a) u + v (b)...Ch. 7.5 - Use the figure to find each vector: (a) u + v (b)...Ch. 7.5 - Use the figure to find each vector: (a) u + v (b)...Ch. 7.5 - Given vectors u and v, find: (a) 2u (b) 2u + 3v...Ch. 7.5 - Given vectors u and v, find: (a) 2u (b) 2u + 3v...Ch. 7.5 - Given vectors u and v, find: (a) 2u (b) 2u + 3v...Ch. 7.5 - Given vectors u and v, find: (a) 2u (b) 2u + 3v...Ch. 7.5 - Given u= 2,5 and v= 4,3 , find each of the...Ch. 7.5 - Given u= 2,5 and v= 4,3 , find each of the...Ch. 7.5 - Given and , find each of the following. See...Ch. 7.5 - Given and , find each of the following. See...Ch. 7.5 - Given and , find each of the following. See...Ch. 7.5 - Given u= 2,5 and v= 4,3 , find each of the...Ch. 7.5 - Given and , find each of the following. See...Ch. 7.5 - Given and , find each of the following. See...Ch. 7.5 - Write each vector in the form ai + bj. 43. Ch. 7.5 - Write each vector in the form ai + bj. 6,3Ch. 7.5 - Write each vector in the form ai + bj. 45. Ch. 7.5 - Write each vector in the form ai + bj. 0,4Ch. 7.5 - Find the dot product for each pair of vectors. See...Ch. 7.5 - Find the dot product for each pair of vectors. See...Ch. 7.5 - Prob. 49ECh. 7.5 - Find the angle between each pair of vectors. See...Ch. 7.5 - Prob. 51ECh. 7.5 - Find the dot product for each pair of vectors. See...Ch. 7.5 - Find the angle between each pair of vectors. See...Ch. 7.5 - Find the angle between each pair of vectors. See...Ch. 7.5 - Prob. 55ECh. 7.5 - Find the angle between each pair of vectors. See...Ch. 7.5 - Prob. 57ECh. 7.5 - Prob. 58ECh. 7.5 - Let u= 2,1 ,v= 3,4 , and w= 5,12 . Evaluate each...Ch. 7.5 - Let and . Evaluate each expression. 60. u ·...Ch. 7.5 - Let u= 2,1 ,v= 3,4 , and w= 5,12 . Evaluate each...Ch. 7.5 - Let u= 2,1 ,v= 3,4 , and w= 5,12 . Evaluate each...Ch. 7.5 - Determine whether each pair of vectors is...Ch. 7.5 - Determine whether each pair of vectors is...Ch. 7.5 - Determine whether each pair of vectors is...Ch. 7.5 - Determine whether each pair of vectors is...Ch. 7.5 - Determine whether each pair of vectors is...Ch. 7.5 - Determine whether each pair of vectors is...Ch. 7.5 - (Modeling) Measuring Rainfall Suppose that vector...Ch. 7.5 - Concept Check In Exercise 69, for the rain gauge...Ch. 7.5 - Consider the two vectors u and v shown. Assume all...Ch. 7.5 - Consider the two vectors u and v shown. Assume all...Ch. 7.5 - Consider the two vectors u and v shown. Assume all...Ch. 7.5 - Prob. 74ECh. 7.5 - Prob. 75ECh. 7.5 - Consider the two vectors u and v shown. Assume all...Ch. 7.5 - Prob. 1SECh. 7.5 - Prob. 2SECh. 7.5 - Distance between Two Lighthouses Two lighthouses...Ch. 7.5 - Prob. 4SECh. 7.5 - Prob. 5SECh. 7.5 - Prob. 6SECh. 7.5 - Wind and Vectors A wind can be described by v = 6i...Ch. 7.5 - 8. Ground Speed and Bearing A plane with an...Ch. 7.5 - Prob. 9SECh. 7.5 - Property Survey A triangular piece of property has...Ch. 7 - Use the law of cosines to find the indicated part...Ch. 7 - Use the law of cosines to find the indicated part...Ch. 7 - Prob. 3RECh. 7 - Use the law of cosines to find the indicated part...Ch. 7 - Prob. 5RECh. 7 - Prob. 6RECh. 7 - Prob. 7RECh. 7 - Prob. 8RECh. 7 - Prob. 9RECh. 7 - Prob. 10RECh. 7 - Use the law of cosines to find the indicated...Ch. 7 - Use the law of cosines to find the indicated...Ch. 7 - Use the law of cosines to find the indicated part...Ch. 7 - Use the law of cosines to find the indicated part...Ch. 7 - Use the law of cosines to find the indicated part...Ch. 7 - Use the law of cosines to find the indicated...Ch. 7 - Prob. 17RECh. 7 - Prob. 18RECh. 7 - Prob. 19RECh. 7 - Prob. 20RECh. 7 - Prob. 21RECh. 7 - Prob. 22RECh. 7 - Find the area of each triangle ABC. a = 0.913 km,...Ch. 7 - Prob. 24RECh. 7 - Prob. 25RECh. 7 - Prob. 26RECh. 7 - Prob. 27RECh. 7 - Prob. 28RECh. 7 - Height of a Tree A hill makes an angle of 14.3...Ch. 7 - Prob. 30RECh. 7 - Prob. 31RECh. 7 - Prob. 32RECh. 7 - Prob. 33RECh. 7 - Prob. 34RECh. 7 - Prob. 35RECh. 7 - Prob. 36RECh. 7 - Prob. 37RECh. 7 - Given two forces and the angle between them, find...Ch. 7 - Prob. 39RECh. 7 - Prob. 40RECh. 7 - Prob. 41RECh. 7 - Prob. 42RECh. 7 - Prob. 43RECh. 7 - Prob. 44RECh. 7 - Prob. 45RECh. 7 - Prob. 46RECh. 7 - Prob. 47RECh. 7 - Prob. 48RECh. 7 - Prob. 49RECh. 7 - Angle of a Hill A 186-lb force is required to hold...Ch. 7 - Prob. 51RECh. 7 - Prob. 52RECh. 7 - Prob. 53RECh. 7 - Prob. 54RECh. 7 - Law of Tangents In addition to the law of sines...Ch. 7 - Prob. 1TCh. 7 - Prob. 2TCh. 7 - Find the indicated part of each triangle ABC. Find...Ch. 7 - Prob. 4TCh. 7 - Prob. 5TCh. 7 - Prob. 6TCh. 7 - Prob. 7TCh. 7 - Prob. 8TCh. 7 - Prob. 9TCh. 7 - Prob. 10TCh. 7 - Prob. 11TCh. 7 - Prob. 12TCh. 7 - Prob. 13TCh. 7 - Prob. 14TCh. 7 - Prob. 15TCh. 7 - Prob. 16TCh. 7 - Prob. 17TCh. 7 - Prob. 18TCh. 7 - Hearing and Airspeed Find the bearing and airspeed...Ch. 7 - Prob. 20T

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Trigonometric Ratios; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=9-eHMMpQC2k;License: Standard YouTube License, CC-BY