University Calculus: Early Transcendentals (3rd Edition)
University Calculus: Early Transcendentals (3rd Edition)
3rd Edition
ISBN: 9780321999580
Author: Joel R. Hass, Maurice D. Weir, George B. Thomas Jr.
Publisher: PEARSON
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Chapter 1.3, Problem 58E

(a)

To determine

Derive the addition formula for sin(A+B) using the identity sinθ=cos(π2−θ).

(b)

To determine

Derive the addition formula for cos(A+B) by substituting −B for B in the formula for cos(A−B).

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Chapter 1.3, Problem 57E
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Chapter 1 Solutions

University Calculus: Early Transcendentals (3rd Edition)

Ch. 1.1 - In Exercise 1–6, find the domain and range of each...Ch. 1.1 - In Exercise 1–6, find the domain and range of each...Ch. 1.1 - In Exercise 16, find the domain and range of each...Ch. 1.1 - In Exercise 1–6, find the domain and range of each...Ch. 1.1 - In Exercise 1–6, find the domain and range of each...Ch. 1.1 - In Exercise 1–6, find the domain and range of each...Ch. 1.1 - Which of the graphs are graphs of functions of x,...Ch. 1.1 - Which of the graphs are graphs of functions of x,...Ch. 1.1 - Finding Formulas for functions Express the area...Ch. 1.1 - Express the side length of a square as a function...
Ch. 1.1 - Express the edge length of a cube as a function of...Ch. 1.1 - A point P in the first quadrant lies on the graph...Ch. 1.1 - Consider the point (x, y) lying on the graph of...Ch. 1.1 - Consider the point (x, y) lying on the graph of ....Ch. 1.1 - Find the natural domain and graph the functions in...Ch. 1.1 - Find the natural domain and graph the functions in...Ch. 1.1 - Find the natural domain and graph the functions in...Ch. 1.1 - Find the natural domain and graph the functions in...Ch. 1.1 - Functions and Graphs Find the natural domain and...Ch. 1.1 - Functions and Graphs Find the natural domain and...Ch. 1.1 - Find the domain of . Ch. 1.1 - Prob. 22ECh. 1.1 - Graph the following equations and explain why they...Ch. 1.1 - Graph the following equations and explain why they...Ch. 1.1 - Graph the functions in Exercise. Ch. 1.1 - Piecewise-Defined Functions Graph the functions in...Ch. 1.1 - Prob. 27ECh. 1.1 - Piecewise-Defined Functions Graph the functions in...Ch. 1.1 - Find a formula for each function graphed in...Ch. 1.1 - Prob. 30ECh. 1.1 - Find a formula for each function graphed in...Ch. 1.1 - Find a formula for each function graphed in...Ch. 1.1 - For what values of x is Ch. 1.1 - Prob. 34ECh. 1.1 - Does for all real x? Give reasons for your...Ch. 1.1 - Graph the function Why is f(x) called the integer...Ch. 1.1 - Prob. 37ECh. 1.1 - Graph the functions in Exercise. What symmetries,...Ch. 1.1 - Prob. 39ECh. 1.1 - Prob. 40ECh. 1.1 - Prob. 41ECh. 1.1 - Prob. 42ECh. 1.1 - Prob. 43ECh. 1.1 - Graph the functions in Exercise. What symmetries,...Ch. 1.1 - Graph the functions in Exercise. What symmetries,...Ch. 1.1 - Prob. 46ECh. 1.1 - Prob. 47ECh. 1.1 - Prob. 48ECh. 1.1 - Prob. 49ECh. 1.1 - Prob. 50ECh. 1.1 - Prob. 51ECh. 1.1 - Prob. 52ECh. 1.1 - Prob. 53ECh. 1.1 - In Exercise 47–62, say whether the function is...Ch. 1.1 - Prob. 55ECh. 1.1 - In Exercise 47–62, say whether the function is...Ch. 1.1 - In Exercise 47–62, say whether the function is...Ch. 1.1 - Prob. 58ECh. 1.1 - Prob. 59ECh. 1.1 - Prob. 60ECh. 1.1 - The variables r and s are inversely proportional,...Ch. 1.1 - Boyle’s Law Boyle’s Law says that the volume V of...Ch. 1.1 - Prob. 63ECh. 1.1 - The accompanying figure shows a rectangle...Ch. 1.1 - In Exercises 69 and 70, match each equation with...Ch. 1.1 - y = 5x y = 5x y = x5 Ch. 1.1 - Graph the functions f(x) = x/2 and g(x) = 1 +...Ch. 1.1 - Graph the functions f(x) = 3/(x − 1) and g(x) =...Ch. 1.1 - Prob. 69ECh. 1.1 - Prob. 70ECh. 1.1 - Prob. 71ECh. 1.1 - Industrial costs A power plant sits next to a...Ch. 1.2 - In Exercises 1 and 2, find the domains of f, g, f...Ch. 1.2 - Prob. 2ECh. 1.2 - Prob. 3ECh. 1.2 - Prob. 4ECh. 1.2 - If f(x) = x + 5 and g(x) = x2 − 3, find the...Ch. 1.2 - If f(x) = x − 1 and g(x) = 1/(x + 1), find the...Ch. 1.2 - Prob. 7ECh. 1.2 - In Exercises 7–10, write a formula for . 8. Ch. 1.2 - Prob. 9ECh. 1.2 - Prob. 10ECh. 1.2 - Let f(x) = x – 3, , h(x) = x3and j(x) = 2x....Ch. 1.2 - Let f(x) = x – 3, , h(x) = x3and j(x) = 2x....Ch. 1.2 - Copy and complete the following table. Ch. 1.2 - Copy and complete the following table. Ch. 1.2 - Prob. 15ECh. 1.2 - Prob. 16ECh. 1.2 - Prob. 17ECh. 1.2 - Prob. 18ECh. 1.2 - Prob. 19ECh. 1.2 - Prob. 20ECh. 1.2 - The accompanying figure shows the graph of y = –x2...Ch. 1.2 - The accompanying figure shows the graph of y = x2...Ch. 1.2 - Prob. 23ECh. 1.2 - Prob. 24ECh. 1.2 - Prob. 25ECh. 1.2 - Prob. 26ECh. 1.2 - Prob. 27ECh. 1.2 - Prob. 28ECh. 1.2 - Prob. 29ECh. 1.2 - Prob. 30ECh. 1.2 - Prob. 31ECh. 1.2 - Prob. 32ECh. 1.2 - Prob. 33ECh. 1.2 - Prob. 34ECh. 1.2 - Prob. 35ECh. 1.2 - Prob. 36ECh. 1.2 - Prob. 37ECh. 1.2 - Prob. 38ECh. 1.2 - Prob. 39ECh. 1.2 - Prob. 40ECh. 1.2 - Prob. 41ECh. 1.2 - Prob. 42ECh. 1.2 - Prob. 43ECh. 1.2 - Prob. 44ECh. 1.2 - Prob. 45ECh. 1.2 - Prob. 46ECh. 1.2 - Prob. 47ECh. 1.2 - Prob. 48ECh. 1.2 - Prob. 49ECh. 1.2 - Prob. 50ECh. 1.2 - Prob. 51ECh. 1.2 - Prob. 52ECh. 1.2 - Prob. 53ECh. 1.2 - Prob. 54ECh. 1.2 - Prob. 55ECh. 1.2 - Prob. 56ECh. 1.2 - Prob. 57ECh. 1.2 - Prob. 58ECh. 1.2 - Prob. 59ECh. 1.2 - Prob. 60ECh. 1.2 - Prob. 61ECh. 1.2 - Prob. 62ECh. 1.2 - Prob. 63ECh. 1.2 - Prob. 64ECh. 1.2 - Prob. 65ECh. 1.2 - Prob. 66ECh. 1.2 - Graphing In Exercises 69–76, graph each function...Ch. 1.2 - Prob. 68ECh. 1.2 - Prob. 69ECh. 1.2 - Prob. 70ECh. 1.2 - Prob. 71ECh. 1.2 - Prob. 72ECh. 1.2 - Prob. 73ECh. 1.2 - Prob. 74ECh. 1.2 - Prob. 75ECh. 1.2 - Prob. 76ECh. 1.2 - Prob. 77ECh. 1.2 - Prob. 78ECh. 1.2 - Prob. 79ECh. 1.2 - Prob. 80ECh. 1.3 - On a circle of radius 10 m, how long is an arc...Ch. 1.3 - Prob. 2ECh. 1.3 - Prob. 3ECh. 1.3 - Prob. 4ECh. 1.3 - Copy and complete the following table of function...Ch. 1.3 - Prob. 6ECh. 1.3 - Prob. 7ECh. 1.3 - Prob. 8ECh. 1.3 - Prob. 9ECh. 1.3 - Prob. 10ECh. 1.3 - Prob. 11ECh. 1.3 - Prob. 12ECh. 1.3 - Graph the functions in Exercises 13–22. What is...Ch. 1.3 - Graph the functions in Exercises 13–22. What is...Ch. 1.3 - Graph the functions in Exercises 13–22. What is...Ch. 1.3 - Graph the functions in Exercises 13–22. What is...Ch. 1.3 - Graph the functions in Exercises 13–22. What is...Ch. 1.3 - Prob. 18ECh. 1.3 - Graph the functions in Exercises 13–22. What is...Ch. 1.3 - Prob. 20ECh. 1.3 - Graph the functions in Exercises 13–22. What is...Ch. 1.3 - Prob. 22ECh. 1.3 - Prob. 23ECh. 1.3 - Prob. 24ECh. 1.3 - Prob. 25ECh. 1.3 - Prob. 26ECh. 1.3 - Graph y = cos x and y = sec x together for ....Ch. 1.3 - Prob. 28ECh. 1.3 - Prob. 29ECh. 1.3 - Prob. 30ECh. 1.3 - Prob. 31ECh. 1.3 - Prob. 32ECh. 1.3 - Prob. 33ECh. 1.3 - Prob. 34ECh. 1.3 - Prob. 35ECh. 1.3 - Prob. 36ECh. 1.3 - Prob. 37ECh. 1.3 - Prob. 38ECh. 1.3 - Prob. 39ECh. 1.3 - Prob. 40ECh. 1.3 - Prob. 41ECh. 1.3 - Prob. 42ECh. 1.3 - Prob. 43ECh. 1.3 - Prob. 44ECh. 1.3 - Prob. 45ECh. 1.3 - Prob. 46ECh. 1.3 - Using the Half-Angle Formulas Find the function...Ch. 1.3 - Using the Half-Angle Formulas Find the function...Ch. 1.3 - Using the Half-Angle Formulas Find the function...Ch. 1.3 - Prob. 50ECh. 1.3 - Solving Trigonometric Equations For Exercise 5154,...Ch. 1.3 - Prob. 52ECh. 1.3 - Prob. 53ECh. 1.3 - Prob. 54ECh. 1.3 - Prob. 55ECh. 1.3 - Prob. 56ECh. 1.3 - Apply the law of cosines to the triangle in the...Ch. 1.3 - Prob. 58ECh. 1.3 - Prob. 59ECh. 1.3 - Prob. 60ECh. 1.3 - The law of sines The law of sines says that if a,...Ch. 1.3 - Prob. 62ECh. 1.3 - Prob. 63ECh. 1.3 - Prob. 64ECh. 1.3 - Prob. 65ECh. 1.3 - General Sine Curves For identify A, B, C, and D...Ch. 1.3 - Prob. 67ECh. 1.3 - Prob. 68ECh. 1.4 - Prob. 1ECh. 1.4 - Prob. 2ECh. 1.4 - Prob. 3ECh. 1.4 - Prob. 4ECh. 1.4 - Prob. 5ECh. 1.4 - Prob. 6ECh. 1.4 - Prob. 7ECh. 1.4 - Prob. 8ECh. 1.4 - Prob. 9ECh. 1.4 - Prob. 10ECh. 1.4 - Prob. 11ECh. 1.4 - Prob. 12ECh. 1.4 - Prob. 13ECh. 1.4 - Prob. 14ECh. 1.4 - Prob. 15ECh. 1.4 - Prob. 16ECh. 1.4 - Prob. 17ECh. 1.4 - Prob. 18ECh. 1.4 - Prob. 19ECh. 1.4 - Prob. 20ECh. 1.4 - Prob. 21ECh. 1.4 - Prob. 22ECh. 1.4 - Prob. 23ECh. 1.4 - Prob. 24ECh. 1.4 - Prob. 25ECh. 1.4 - Prob. 26ECh. 1.4 - Prob. 27ECh. 1.4 - Prob. 28ECh. 1.4 - Prob. 29ECh. 1.4 - Prob. 30ECh. 1.4 - Prob. 31ECh. 1.4 - Prob. 32ECh. 1.4 - Prob. 33ECh. 1.4 - Prob. 34ECh. 1.4 - Prob. 35ECh. 1.4 - Prob. 36ECh. 1.5 - In Exercises 1–6, sketch the given curves together...Ch. 1.5 - Prob. 2ECh. 1.5 - In Exercises 1–6, sketch the given curves together...Ch. 1.5 - Prob. 4ECh. 1.5 - Prob. 5ECh. 1.5 - Prob. 6ECh. 1.5 - Prob. 7ECh. 1.5 - Prob. 8ECh. 1.5 - Prob. 9ECh. 1.5 - Prob. 10ECh. 1.5 - Prob. 11ECh. 1.5 - Prob. 12ECh. 1.5 - Prob. 13ECh. 1.5 - Prob. 14ECh. 1.5 - Prob. 15ECh. 1.5 - Prob. 16ECh. 1.5 - Prob. 17ECh. 1.5 - Prob. 18ECh. 1.5 - Prob. 19ECh. 1.5 - Prob. 20ECh. 1.5 - Prob. 21ECh. 1.5 - Prob. 22ECh. 1.5 - Prob. 23ECh. 1.5 - Prob. 24ECh. 1.5 - Prob. 25ECh. 1.5 - Prob. 26ECh. 1.5 - Prob. 27ECh. 1.5 - Prob. 28ECh. 1.5 - Prob. 29ECh. 1.5 - Prob. 30ECh. 1.5 - Prob. 31ECh. 1.5 - Prob. 32ECh. 1.5 - Prob. 33ECh. 1.5 - Prob. 34ECh. 1.5 - Prob. 35ECh. 1.5 - Prob. 36ECh. 1.6 - Prob. 1ECh. 1.6 - Prob. 2ECh. 1.6 - Prob. 3ECh. 1.6 - Prob. 4ECh. 1.6 - Prob. 5ECh. 1.6 - Prob. 6ECh. 1.6 - Prob. 7ECh. 1.6 - Prob. 8ECh. 1.6 - Prob. 9ECh. 1.6 - Prob. 10ECh. 1.6 - Prob. 11ECh. 1.6 - Prob. 12ECh. 1.6 - Prob. 13ECh. 1.6 - Prob. 14ECh. 1.6 - Prob. 15ECh. 1.6 - Prob. 16ECh. 1.6 - Prob. 17ECh. 1.6 - Prob. 18ECh. 1.6 - Prob. 19ECh. 1.6 - Prob. 20ECh. 1.6 - Prob. 21ECh. 1.6 - Prob. 22ECh. 1.6 - Prob. 23ECh. 1.6 - Prob. 24ECh. 1.6 - Prob. 25ECh. 1.6 - Prob. 26ECh. 1.6 - Prob. 27ECh. 1.6 - Prob. 28ECh. 1.6 - Prob. 29ECh. 1.6 - Prob. 30ECh. 1.6 - Prob. 31ECh. 1.6 - Prob. 32ECh. 1.6 - Prob. 33ECh. 1.6 - Prob. 34ECh. 1.6 - Prob. 35ECh. 1.6 - Prob. 36ECh. 1.6 - Prob. 37ECh. 1.6 - Prob. 38ECh. 1.6 - Prob. 39ECh. 1.6 - Prob. 40ECh. 1.6 - Prob. 41ECh. 1.6 - Prob. 42ECh. 1.6 - Prob. 43ECh. 1.6 - Prob. 44ECh. 1.6 - Prob. 45ECh. 1.6 - Prob. 46ECh. 1.6 - Prob. 47ECh. 1.6 - Prob. 48ECh. 1.6 - Prob. 49ECh. 1.6 - Prob. 50ECh. 1.6 - Prob. 51ECh. 1.6 - Prob. 52ECh. 1.6 - Prob. 53ECh. 1.6 - Prob. 54ECh. 1.6 - Prob. 55ECh. 1.6 - Prob. 56ECh. 1.6 - Prob. 57ECh. 1.6 - In Exercises 57–64, solve for t. 58. e−0.01t =...Ch. 1.6 - Prob. 59ECh. 1.6 - Prob. 60ECh. 1.6 - Prob. 61ECh. 1.6 - Prob. 62ECh. 1.6 - Prob. 63ECh. 1.6 - Prob. 64ECh. 1.6 - Prob. 65ECh. 1.6 - Prob. 66ECh. 1.6 - Prob. 67ECh. 1.6 - Prob. 68ECh. 1.6 - Find the exact value of each expression. Remember...Ch. 1.6 - Prob. 70ECh. 1.6 - Prob. 71ECh. 1.6 - Prob. 72ECh. 1.6 - Prob. 73ECh. 1.6 - Prob. 74ECh. 1.6 - Prob. 75ECh. 1.6 - Prob. 76ECh. 1.6 - Prob. 77ECh. 1.6 - Prob. 78ECh. 1.6 - Prob. 79ECh. 1.6 - Prob. 80ECh. 1.6 - Radioactive decay The half-life of a certain...Ch. 1.6 - Prob. 82ECh. 1.6 - Prob. 83ECh. 1.6 - Prob. 84E
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