Find the unit vector in the same direction as v. v=i-2j U= (Simplify your answer. Type an exact answer, using radicals as needed. Type your answer in the form ai + bj. Use integers or fractions for any numbers in the expression.)

Q: Use sum or difference identities to determine an exact value for the following sin 23π/12

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Q: What is C = (csc16° + cot16°)(2sen30° + sec245°)

A: We have to calculate the value of C.

Q: A CD has diameter of 120 millimeters. When playing audio, the angular speed varies to keep the…

A: A CD has diameter of 120 millimeters. When playing audio, the angular speed varies to keep the…

Q: Example 6: A ferris wheel has a radius of 10 m. It completes one rotation in 2 mins. a) What is the…

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Q: 7. Simplify: secx cotx = 1, cos cos sin = CSC

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Q: use double angle formula to find sin(2x), cos(2x) and tan (2x) using given information tan(x)= -4/3…

A: We can find sin(2x), cos(2x) tan(2x) using the given data in the below steps.

Q: Use the Law of Sines to find the indicated side x. (Assume a = 400. Round your answer to two decimal…

A: Given query is to find the value of x.

Q: Find all solutions in radians using exact values only. (Enter your answers as a comma-separated…

A: Topic = Trigonometry

Q: You are on a fishing boat that leaves its pier and heads east. After traveling for 30 miles there is…

A: This question can be solved by applying the concept of cosine rule for triangles.

Q: Solve sin (3x) cos(6x) - cos (3x) sin(6x) = -0.8 for the smallest positive solution. X = Give your…

A: We have to solve  sin3x cos6x - cos3x sin6x = -0.8 .

Q: Find all solutions if 0° ≤ ? < 360°. When necessary, round your answers to the nearest tenth of a…

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Q: A right triangle has a hypotenuse of length 2 inches. If one angle is 34°, find the length of each…

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Q: the Concavity Test to determine the intervals on which the graph of the function is ​(a) concave up…

A: Given query is to find the interval where concave up and down.

Q: A pilot is flying over a straight highway. He determines the angles of depression to two mileposts,…

A: NOTE: Refresh your page if you can't see any equations. .

Q: Express as a single trigonometric function. (a) cos 2a cos a (c) sin 5 cos 2 (d) sin 2mm - cos 5 sin…

A: Since you have asked a question with multiple parts in a single request we would be answering only…

Q: Find all solutions if 0° ≤ ? < 360°. Verify your answer graphically. (Enter your answers as a…

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Q: 3. Find the general solution to the equation sin(20) - cos0=0. Express the solution in degrees.

A: Solution : Given that trigonometry identity is

Q: x cm The diagram shows a right-angled triangle. Calculate the value of x. 12 cm 35⁰ NOT TO SCALE

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Q: If csc(x) = 9, for 90° < x < 180°, then (12) sin COS (1) 2 = tan = (²) 2 Question Help: Video…

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Q: Solve the triangle. C≈ a=1, b=3, C = 150° A≈ B (Round to two decimal places as needed.) (Round to…

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Q: A concrete cylinder 150 mm in diameter was tested in compression and found to be shortened an amount…

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Q: Express cos(2tan^-1(y)) as an algebriac expression in y

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Q: Find the product #₁22 21 6 (cos 90° + i sin 90°) and 22 = 7 (cos 120° + i sin 120°) O 2122 42 (cos…

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Q: Which of the expressions are defined, and which are not? Give reasons for your answers. a. tan ¹12…

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Q: Find c if a = 2.14 mi, b = 3.3 mi and ZC = 41.4 degrees. mi; C=

A: Given,           a=2.14 mi, b=3.3 mi and ∠C=41.4°To find : Find c.

Q: Let u be the vector with initial point P(5, -1) and terminal point Q(-8, 3). (a) Graph u in the…

A: According to question,Given Points,Initial point : 5, -1Terminal Point : -8, 3

Q: Find the exact value of each expression, if it is defined. Express your answer in radians. (If an…

A: To find the value of given inverse trigonometric functions

Q: Find the area of the following triangle. Round your answers to the nearest tenth. a = 44 in, b = 66…

A: NOTE: Refresh your page if you can't see any equations. . here we have a=44 in, b=66 in, c=88 in

Q: 8/3 Evaluate: sec x cosec x dx.

A: The given integral is: I=∫sec43xcosec83xdx   As we know the trigonometric identities: 1).…

Q: Write the trigonometric equation that satisfies the given conditions/characteristics. You may use…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: B 1. 2. 3. csc²x + sec² x 4. cos²x cos² y + 5. sec² x 6. The following identities involve the…

A: Pythagorean identity  sin²θ+cos²θ is equal to 1

Q: the sine curve y=a sin(k(x-b)) has amplitude _____, period____________. and horizontal…

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Q: suppose you have a triangle (which may b = 25, and c = 22, use Heron's formula to find the…

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Q: Points A and B are separated by a lake. To find the distance between them, a surveyor locates a…

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Q: cos-1(-sqrt(2)/2)

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Q: 11. Eliminate the parameter t from the following: x = 9 sint, y = 9 cost

A: Solution:

Q: Teacher is saying not right ?‍♀️

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Q: Can you answer number 4 please? Thank you!

A: To prove the given trigonometric identity

Q: Plot the point given in polar coordinates. 5,- Select the graph that represents the point -5,- OA.…

A: we need to plot the given par coordinate.

Q: Write the polar form of the rectangular y = -3 Assume that all variables represent posi Or= Or= 3…

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Q: ← b a=8 and b=7 point(s) possible Find the value of each of the six trigonometric functions of the…

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Q: Establish the identity sin A. sin OB. sin Which of the following four statements establishes the…

A: The identity is sinπ2-θ=cosθ

Q: Question 7 Which of these functions has a y-intercept of (0, 7)?

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Q: (b) Convert 而。 5π ▬▬ 2 radians to degree measure.

A: We have  π radians = 180 degrees

Q: a B b I To estimate the height of a mountain, two students find the angle of elevation from a point…

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Q: To find the distance across a small lake, a surveyor has taken the measurements shown. Find the…

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Q: exact solutions on [0, 2?).  (Enter your answers as a comma-separated list.) 2 sin(??) = 1

A: Given query is to find the solution of the function.

Q: Given that sin 2π/3 = cos y, first express  2π/3 as a sum of π/2 and an angle and then apply a…

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Q: Given the triangle below, find the measure of angle A. Picture is not drawn to scale A = degrees 28/…

A: by using cos lwe in triangle a2=b2+c2-2bccosAcosA=b2+c2-a22bc given  a=18 b=15 and c=28

Q: hat is the value of tan if the terminal side of angle intersects the unit circle in the first…

A: Please see the below picture for detailed solution.