Explanation Given information: cos − 1 ( − 1 ) , cos − 1 ( 0 ) and cos − 1 ( 1 ) Calculation: We have cos − 1 ( − 1 ) , cos − 1 ( 0 ) and cos − 1 ( 1 ) Let θ = cos − 1 ( − 1 ) Take cos both sides to get cos θ = cos ( cos − 1 ( − 1 ) ) ⇒ cos θ = − 1 Take inverse of cos both sides to get cos − 1 ( cos θ ) = cos − 1 ( − 1 ) θ = π So, cos − 1 ( − 1 ) = π Let θ = cos

College Algebra and Trigonometry (4th Edition)

4th Edition

ISBN: 9780134696478

Author: J. S. Ratti, Marcus S. McWaters, Leslaw Skrzypek

Publisher: PEARSON

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.

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Question

Chapter 7.4, Problem 103E

To determine

To find cos−1(−1), cos−1(0) and cos−1(1).

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Chapter 7.4, Problem 102E

Chapter 7.4, Problem 104E

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Chapter 7 Solutions

College Algebra and Trigonometry (4th Edition)

Ch. 7.1 - Prob. 1E Ch. 7.1 - Prob. 2E Ch. 7.1 - Prob. 3E Ch. 7.1 - Prob. 4E Ch. 7.1 - Prob. 5E Ch. 7.1 - True or False.A triangle is uniquely determined if...Ch. 7.1 - True or False.In a triangle ABC,sinAsinB=ab .Ch. 7.1 - True or False.The Law of Sines cannot be used to...Ch. 7.1 - Prob. 9E Ch. 7.1 - Prob. 10E

Ch. 7.1 - Prob. 11E Ch. 7.1 - Prob. 12E Ch. 7.1 - Prob. 13E Ch. 7.1 - Prob. 14E Ch. 7.1 - Prob. 15E Ch. 7.1 - Prob. 16E Ch. 7.1 - Prob. 17E Ch. 7.1 - Prob. 18E Ch. 7.1 - Prob. 19E Ch. 7.1 - Prob. 20E Ch. 7.1 - Prob. 21E Ch. 7.1 - Prob. 22E Ch. 7.1 - Prob. 23E Ch. 7.1 - Prob. 24E Ch. 7.1 - Prob. 25E Ch. 7.1 - Prob. 26E Ch. 7.1 - Prob. 27E Ch. 7.1 - Prob. 28E Ch. 7.1 - Prob. 29E Ch. 7.1 - Prob. 30E Ch. 7.1 - Prob. 31E Ch. 7.1 - Prob. 32E Ch. 7.1 - Prob. 33E Ch. 7.1 - Prob. 34E Ch. 7.1 - Prob. 35E Ch. 7.1 - Prob. 36E Ch. 7.1 - Prob. 37E Ch. 7.1 - Prob. 38E Ch. 7.1 - Prob. 39E Ch. 7.1 - Prob. 40E Ch. 7.1 - Prob. 41E Ch. 7.1 - Prob. 42E Ch. 7.1 - Prob. 43E Ch. 7.1 - Prob. 44E Ch. 7.1 - Prob. 45E Ch. 7.1 - Prob. 46E Ch. 7.1 - Prob. 47E Ch. 7.1 - Prob. 48E Ch. 7.1 - Prob. 49E Ch. 7.1 - Prob. 50E Ch. 7.1 - Prob. 51E Ch. 7.1 - Prob. 52E Ch. 7.1 - Prob. 53E Ch. 7.1 - Prob. 54E Ch. 7.1 - Prob. 55E Ch. 7.1 - Prob. 56E Ch. 7.1 - Prob. 57E Ch. 7.1 - Prob. 58E Ch. 7.1 - Prob. 59E Ch. 7.1 - Prob. 60E Ch. 7.1 - 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Prob. 57E Ch. 7.3 - Prob. 58E Ch. 7.3 - Prob. 59E Ch. 7.3 - Prob. 60E Ch. 7.3 - Prob. 61E Ch. 7.3 - In Exercises, round your answer (in square feet or...Ch. 7.3 - Prob. 63E Ch. 7.3 - Prob. 64E Ch. 7.3 - Prob. 65E Ch. 7.3 - Prob. 66E Ch. 7.3 - Prob. 67E Ch. 7.3 - Prob. 68E Ch. 7.3 - Prob. 69E Ch. 7.3 - Prob. 70E Ch. 7.3 - Exercises deal with a regular polygon.For n3, a...Ch. 7.3 - Prob. 72E Ch. 7.3 - Exercises deal with a regular polygon.For n3, a...Ch. 7.3 - Exercises deal with a regular polygon.For n3, a...Ch. 7.3 - Prob. 75E Ch. 7.3 - Prob. 76E Ch. 7.3 - Exercises deal with a regular polygon.For n3, a...Ch. 7.3 - Exercises deal with a regular polygon.For n3, a...Ch. 7.3 - Prob. 79E Ch. 7.3 - Prob. 80E Ch. 7.3 - Prob. 81E Ch. 7.3 - Prob. 82E Ch. 7.3 - Prob. 83E Ch. 7.3 - Prob. 84E Ch. 7.3 - Prob. 85E Ch. 7.3 - Prob. 86E Ch. 7.3 - Prob. 87E Ch. 7.3 - Prob. 88E Ch. 7.3 - Prob. 89E Ch. 7.3 - Prob. 90E Ch. 7.3 - Prob. 91E Ch. 7.3 - Prob. 92E Ch. 7.3 - Prob. 93E Ch. 7.3 - Prob. 94E Ch. 7.3 - Prob. 95E Ch. 7.3 - Prob. 96E Ch. 7.3 - Prob. 97E Ch. 7.3 - Prob. 98E Ch. 7.3 - Prob. 99E Ch. 7.3 - Prob. 100E Ch. 7.3 - Prob. 101E Ch. 7.3 - Prob. 102E Ch. 7.3 - Prob. 103E Ch. 7.3 - Prob. 104E Ch. 7.4 - A vector is a quantity that is characterized by a...Ch. 7.4 - Prob. 2E Ch. 7.4 - Prob. 3E Ch. 7.4 - If v is a nonzero vector, then the unit vector u...Ch. 7.4 - Prob. 5E Ch. 7.4 - Prob. 6E Ch. 7.4 - Prob. 7E Ch. 7.4 - Prob. 8E Ch. 7.4 - Prob. 9E Ch. 7.4 - Prob. 10E Ch. 7.4 - Prob. 11E Ch. 7.4 - Prob. 12E Ch. 7.4 - Prob. 13E Ch. 7.4 - Prob. 14E Ch. 7.4 - Prob. 15E Ch. 7.4 - Prob. 16E Ch. 7.4 - Prob. 17E Ch. 7.4 - Prob. 18E Ch. 7.4 - Prob. 19E Ch. 7.4 - Prob. 20E Ch. 7.4 - Prob. 21E Ch. 7.4 - Prob. 22E Ch. 7.4 - Prob. 23E Ch. 7.4 - Prob. 24E Ch. 7.4 - Prob. 25E Ch. 7.4 - Prob. 26E Ch. 7.4 - Prob. 27E Ch. 7.4 - Prob. 28E Ch. 7.4 - Prob. 29E Ch. 7.4 - Prob. 30E Ch. 7.4 - Prob. 31E Ch. 7.4 - Prob. 32E Ch. 7.4 - Prob. 33E Ch. 7.4 - Prob. 34E Ch. 7.4 - Prob. 35E Ch. 7.4 - Prob. 36E Ch. 7.4 - Prob. 37E Ch. 7.4 - Prob. 38E Ch. 7.4 - Prob. 39E Ch. 7.4 - Prob. 40E Ch. 7.4 - Prob. 41E Ch. 7.4 - Prob. 42E Ch. 7.4 - Prob. 43E Ch. 7.4 - Prob. 44E Ch. 7.4 - Prob. 45E Ch. 7.4 - Prob. 46E Ch. 7.4 - Prob. 47E Ch. 7.4 - Prob. 48E Ch. 7.4 - Prob. 49E Ch. 7.4 - Prob. 50E Ch. 7.4 - Prob. 51E Ch. 7.4 - Prob. 52E Ch. 7.4 - Prob. 53E Ch. 7.4 - Prob. 54E Ch. 7.4 - Prob. 55E Ch. 7.4 - Prob. 56E Ch. 7.4 - Prob. 57E Ch. 7.4 - Prob. 58E Ch. 7.4 - Prob. 59E Ch. 7.4 - Prob. 60E Ch. 7.4 - Prob. 61E Ch. 7.4 - Prob. 62E Ch. 7.4 - Prob. 63E Ch. 7.4 - Prob. 64E Ch. 7.4 - Prob. 65E Ch. 7.4 - Prob. 66E Ch. 7.4 - Prob. 67E Ch. 7.4 - In Exercises, write the vector v in the form...Ch. 7.4 - Prob. 69E Ch. 7.4 - Prob. 70E Ch. 7.4 - Prob. 71E Ch. 7.4 - In Exercises, write each answer to the nearest...Ch. 7.4 - Prob. 73E Ch. 7.4 - Prob. 74E Ch. 7.4 - Prob. 75E Ch. 7.4 - Prob. 76E Ch. 7.4 - Prob. 77E Ch. 7.4 - Prob. 78E Ch. 7.4 - Prob. 79E Ch. 7.4 - Prob. 80E Ch. 7.4 - Prob. 81E Ch. 7.4 - Prob. 82E Ch. 7.4 - Prob. 83E Ch. 7.4 - 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Prob. 53E Ch. 7.6 - Prob. 54E Ch. 7.6 - Prob. 55E Ch. 7.6 - Prob. 56E Ch. 7.6 - Prob. 57E Ch. 7.6 - Prob. 58E Ch. 7.6 - Prob. 59E Ch. 7.6 - Prob. 60E Ch. 7.6 - Prob. 61E Ch. 7.6 - Prob. 62E Ch. 7.6 - Prob. 63E Ch. 7.6 - Prob. 64E Ch. 7.6 - Prob. 65E Ch. 7.6 - Prob. 66E Ch. 7.6 - Prob. 67E Ch. 7.6 - Prob. 68E Ch. 7.6 - Prob. 69E Ch. 7.6 - Prob. 70E Ch. 7.6 - Prob. 71E Ch. 7.6 - Prob. 72E Ch. 7.6 - Prob. 73E Ch. 7.6 - Prob. 74E Ch. 7.6 - Prob. 75E Ch. 7.6 - Prob. 76E Ch. 7.6 - Prob. 77E Ch. 7.6 - Prob. 78E Ch. 7.6 - Prob. 79E Ch. 7.6 - Prob. 80E Ch. 7.6 - Prob. 81E Ch. 7.6 - Prob. 82E Ch. 7.6 - Prob. 83E Ch. 7.6 - Prob. 84E Ch. 7.6 - Prob. 85E Ch. 7.6 - Prob. 86E Ch. 7.6 - Prob. 87E Ch. 7.6 - In Exercises, determine the position of the hand...Ch. 7.6 - Prob. 89E Ch. 7.6 - Prob. 90E Ch. 7.6 - Prob. 91E Ch. 7.6 - Prob. 92E Ch. 7.6 - Prob. 93E Ch. 7.6 - Prob. 94E Ch. 7.6 - Prob. 95E Ch. 7.6 - Prob. 96E Ch. 7.6 - Prob. 97E Ch. 7.6 - Prob. 98E Ch. 7.6 - Prob. 99E Ch. 7.6 - Prob. 100E Ch. 7.6 - Prob. 101E Ch. 7.6 - Prob. 102E Ch. 7.6 - Prob. 103E Ch. 7.6 - Prob. 104E Ch. 7.6 - Prob. 105E Ch. 7.6 - Prob. 106E Ch. 7.6 - Prob. 107E Ch. 7.6 - Prob. 108E Ch. 7.6 - Prob. 109E Ch. 7.6 - Prob. 110E Ch. 7.6 - Prob. 111E Ch. 7.6 - Prob. 112E Ch. 7.6 - Prob. 113E Ch. 7.6 - Prob. 114E Ch. 7.6 - Prob. 115E Ch. 7.6 - Prob. 116E Ch. 7.6 - Prob. 117E Ch. 7.6 - Prob. 118E Ch. 7.6 - Prob. 119E Ch. 7.6 - Prob. 120E Ch. 7.6 - Prob. 121E Ch. 7.6 - Prob. 122E Ch. 7.6 - Prob. 123E Ch. 7.6 - Prob. 124E Ch. 7.6 - Prob. 125E Ch. 7.6 - Prob. 126E Ch. 7.6 - Prob. 127E Ch. 7.6 - Prob. 128E Ch. 7.6 - Prob. 129E Ch. 7.6 - Prob. 130E Ch. 7.6 - Prob. 131E Ch. 7.6 - Prob. 132E Ch. 7.6 - Prob. 133E Ch. 7.6 - Prob. 134E Ch. 7.6 - Prob. 135E Ch. 7.6 - Prob. 136E Ch. 7.6 - Prob. 137E Ch. 7.6 - Prob. 138E Ch. 7.6 - Prob. 139E Ch. 7.6 - Prob. 140E Ch. 7.6 - Prob. 141E Ch. 7.6 - Prob. 142E Ch. 7.7 - Prob. 1E Ch. 7.7 - If and then the polar form of z is z = _________.Ch. 7.7 - Prob. 3E Ch. 7.7 - Prob. 4E Ch. 7.7 - Prob. 5E Ch. 7.7 - Prob. 6E Ch. 7.7 - Prob. 7E Ch. 7.7 - Prob. 8E Ch. 7.7 - Prob. 9E Ch. 7.7 - Prob. 10E Ch. 7.7 - Prob. 11E Ch. 7.7 - Prob. 12E Ch. 7.7 - Prob. 13E Ch. 7.7 - Prob. 14E Ch. 7.7 - Prob. 15E Ch. 7.7 - Prob. 16E Ch. 7.7 - Prob. 17E Ch. 7.7 - Prob. 18E Ch. 7.7 - Prob. 19E Ch. 7.7 - Prob. 20E Ch. 7.7 - Prob. 21E Ch. 7.7 - Prob. 22E Ch. 7.7 - Prob. 23E Ch. 7.7 - Prob. 24E Ch. 7.7 - Prob. 25E Ch. 7.7 - In Exercises, write each complex number in polar...Ch. 7.7 - Prob. 27E Ch. 7.7 - Prob. 28E Ch. 7.7 - Prob. 29E Ch. 7.7 - Prob. 30E Ch. 7.7 - Prob. 31E Ch. 7.7 - Prob. 32E Ch. 7.7 - Prob. 33E Ch. 7.7 - Prob. 34E Ch. 7.7 - Prob. 35E Ch. 7.7 - Prob. 36E Ch. 7.7 - Prob. 37E Ch. 7.7 - Prob. 38E Ch. 7.7 - Prob. 39E Ch. 7.7 - Prob. 40E Ch. 7.7 - Prob. 41E Ch. 7.7 - Prob. 42E Ch. 7.7 - Prob. 43E Ch. 7.7 - Prob. 44E Ch. 7.7 - Prob. 45E Ch. 7.7 - Prob. 46E Ch. 7.7 - Prob. 47E Ch. 7.7 - Prob. 48E Ch. 7.7 - Prob. 49E Ch. 7.7 - Prob. 50E Ch. 7.7 - Prob. 51E Ch. 7.7 - Prob. 52E Ch. 7.7 - Prob. 53E Ch. 7.7 - Prob. 54E Ch. 7.7 - Prob. 55E Ch. 7.7 - Prob. 56E Ch. 7.7 - Prob. 57E Ch. 7.7 - Prob. 58E Ch. 7.7 - Prob. 59E Ch. 7.7 - Prob. 60E Ch. 7.7 - Prob. 61E Ch. 7.7 - Prob. 62E Ch. 7.7 - Prob. 63E Ch. 7.7 - Prob. 64E Ch. 7.7 - Prob. 65E Ch. 7.7 - Prob. 66E Ch. 7.7 - Prob. 67E Ch. 7.7 - Prob. 68E Ch. 7.7 - Prob. 69E Ch. 7.7 - In Exercises, use DeMoivre’s Theorem to find the...Ch. 7.7 - Prob. 71E Ch. 7.7 - Prob. 72E Ch. 7.7 - Prob. 73E Ch. 7.7 - Prob. 74E Ch. 7.7 - Prob. 75E Ch. 7.7 - Prob. 76E Ch. 7.7 - Prob. 77E Ch. 7.7 - Prob. 78E Ch. 7.7 - Prob. 79E Ch. 7.7 - Prob. 80E Ch. 7.7 - Prob. 81E Ch. 7.7 - Prob. 82E Ch. 7.7 - Prob. 83E Ch. 7.7 - Prob. 84E Ch. 7.7 - Prob. 85E Ch. 7.7 - Prob. 86E Ch. 7.7 - Prob. 87E Ch. 7.7 - Prob. 88E Ch. 7.7 - Prob. 89E Ch. 7.7 - Prob. 90E Ch. 7.7 - Prob. 91E Ch. 7.7 - Prob. 92E Ch. 7.7 - In Exercises, find all complex solutions of each...Ch. 7.7 - Prob. 94E Ch. 7.7 - Prob. 95E Ch. 7.7 - Prob. 96E Ch. 7.7 - Prob. 97E Ch. 7.7 - Prob. 98E Ch. 7.7 - Prob. 99E Ch. 7.7 - Prob. 100E Ch. 7.7 - Prob. 101E Ch. 7.7 - Prob. 102E Ch. 7.7 - Prob. 103E Ch. 7.7 - Prob. 104E Ch. 7.7 - Prob. 105E Ch. 7.7 - Prob. 106E Ch. 7.7 - Prob. 107E Ch. 7.7 - Prob. 108E Ch. 7.7 - Prob. 109E Ch. 7.7 - Prob. 110E Ch. 7.7 - Prob. 111E Ch. 7.7 - Prob. 112E Ch. 7.7 - Prob. 113E Ch. 7.7 - Prob. 114E Ch. 7.7 - Prob. 115E Ch. 7.7 - Prob. 116E Ch. 7.7 - Prob. 117E Ch. 7.7 - Prob. 118E Ch. 7.7 - Prob. 119E Ch. 7.7 - Prob. 120E Ch. 7 - In Exercises, solve right triangle ABC with right...Ch. 7 - Prob. 2RE Ch. 7 - Prob. 3RE Ch. 7 - Prob. 4RE Ch. 7 - Prob. 5RE Ch. 7 - Prob. 6RE Ch. 7 - Prob. 7RE Ch. 7 - Prob. 8RE Ch. 7 - In Exercises, solve right triangle ABC with right...Ch. 7 - Prob. 10RE Ch. 7 - In Exercises, use the Law of sines to solve each...Ch. 7 - Prob. 12RE Ch. 7 - Prob. 13RE Ch. 7 - Prob. 14RE Ch. 7 - Prob. 15RE Ch. 7 - Prob. 16RE Ch. 7 - Prob. 17RE Ch. 7 - Prob. 18RE Ch. 7 - Prob. 19RE Ch. 7 - Repeat Exercise 19 for c=20 and B=150 .Ch. 7 - Prob. 21RE Ch. 7 - Prob. 22RE Ch. 7 - Prob. 23RE Ch. 7 - Prob. 24RE Ch. 7 - Prob. 25RE Ch. 7 - Prob. 26RE Ch. 7 - Prob. 27RE Ch. 7 - Prob. 28RE Ch. 7 - Prob. 29RE Ch. 7 - Prob. 30RE Ch. 7 - Prob. 31RE Ch. 7 - Prob. 32RE Ch. 7 - Prob. 33RE Ch. 7 - Prob. 34RE Ch. 7 - Prob. 35RE Ch. 7 - Prob. 36RE Ch. 7 - Prob. 37RE Ch. 7 - Prob. 38RE Ch. 7 - Prob. 39RE Ch. 7 - Prob. 40RE Ch. 7 - Prob. 41RE Ch. 7 - Prob. 42RE Ch. 7 - Prob. 43RE Ch. 7 - Prob. 44RE Ch. 7 - Prob. 45RE Ch. 7 - Prob. 46RE Ch. 7 - Prob. 47RE Ch. 7 - Prob. 48RE Ch. 7 - Prob. 49RE Ch. 7 - Prob. 50RE Ch. 7 - Prob. 51RE Ch. 7 - Prob. 52RE Ch. 7 - Prob. 53RE Ch. 7 - Prob. 54RE Ch. 7 - Prob. 55RE Ch. 7 - Prob. 56RE Ch. 7 - Prob. 57RE Ch. 7 - In Exercises, plot each point in polar coordinates...Ch. 7 - In Exercises, convert the rectangular coordinates...Ch. 7 - In Exercises, convert the rectangular coordinates...Ch. 7 - In Exercises, convert the rectangular coordinates...Ch. 7 - In Exercises, convert the rectangular coordinates...Ch. 7 - Prob. 63RE Ch. 7 - Prob. 64RE Ch. 7 - Prob. 65RE Ch. 7 - Prob. 66RE Ch. 7 - Prob. 67RE Ch. 7 - Prob. 68RE Ch. 7 - Prob. 69RE Ch. 7 - Prob. 70RE Ch. 7 - Prob. 71RE Ch. 7 - Prob. 72RE Ch. 7 - Prob. 73RE Ch. 7 - Prob. 74RE Ch. 7 - Prob. 75RE Ch. 7 - Prob. 76RE Ch. 7 - Prob. 77RE Ch. 7 - Prob. 78RE Ch. 7 - Prob. 79RE Ch. 7 - Prob. 80RE Ch. 7 - Prob. 81RE Ch. 7 - Prob. 82RE Ch. 7 - Prob. 83RE Ch. 7 - Prob. 84RE Ch. 7 - Prob. 85RE Ch. 7 - Prob. 86RE Ch. 7 - Prob. 87RE Ch. 7 - Prob. 88RE Ch. 7 - Prob. 89RE Ch. 7 - Prob. 90RE Ch. 7 - In Exercises, find all complex roots.Write your...Ch. 7 - Prob. 92RE Ch. 7 - Prob. 93RE Ch. 7 - Prob. 94RE Ch. 7 - Prob. 95RE Ch. 7 - Prob. 96RE Ch. 7 - Prob. 97RE Ch. 7 - Prob. 98RE Ch. 7 - Prob. 99RE Ch. 7 - Prob. 100RE Ch. 7 - Prob. 1PTA Ch. 7 - Prob. 2PTA Ch. 7 - Prob. 3PTA Ch. 7 - Prob. 4PTA Ch. 7 - Prob. 5PTA Ch. 7 - Prob. 6PTA Ch. 7 - Prob. 8PTA Ch. 7 - Prob. 9PTA Ch. 7 - Prob. 10PTA Ch. 7 - Prob. 11PTA Ch. 7 - Prob. 12PTA Ch. 7 - Prob. 13PTA Ch. 7 - Prob. 14PTA Ch. 7 - Prob. 15PTA Ch. 7 - Prob. 16PTA Ch. 7 - Prob. 17PTA Ch. 7 - Prob. 18PTA Ch. 7 - Prob. 19PTA Ch. 7 - Prob. 20PTA Ch. 7 - Prob. 1PTB Ch. 7 - Prob. 2PTB Ch. 7 - Prob. 3PTB Ch. 7 - Prob. 4PTB Ch. 7 - Prob. 5PTB Ch. 7 - Prob. 6PTB Ch. 7 - Prob. 7PTB Ch. 7 - Prob. 8PTB Ch. 7 - Prob. 9PTB Ch. 7 - Prob. 10PTB Ch. 7 - Prob. 11PTB Ch. 7 - Prob. 12PTB Ch. 7 - Prob. 13PTB Ch. 7 - Prob. 14PTB Ch. 7 - Prob. 15PTB Ch. 7 - Prob. 16PTB Ch. 7 - Prob. 17PTB Ch. 7 - Prob. 18PTB Ch. 7 - Prob. 19PTB Ch. 7 - Prob. 20PTB Ch. 7 - Prob. 1CRE Ch. 7 - Prob. 2CRE Ch. 7 - Prob. 3CRE Ch. 7 - Prob. 4CRE Ch. 7 - Prob. 5CRE Ch. 7 - Prob. 6CRE Ch. 7 - Prob. 7CRE Ch. 7 - Prob. 8CRE Ch. 7 - Prob. 9CRE Ch. 7 - Prob. 10CRE Ch. 7 - Prob. 11CRE Ch. 7 - Prob. 12CRE Ch. 7 - Prob. 13CRE Ch. 7 - Prob. 14CRE Ch. 7 - Prob. 15CRE Ch. 7 - Use an identity to find the exact value of...Ch. 7 - Prob. 17CRE Ch. 7 - Prob. 18CRE Ch. 7 - Prob. 19CRE Ch. 7 - Prob. 20CRE

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To find cos − 1 ( − 1 ) , cos − 1 ( 0 ) and cos − 1 ( 1 ) .

Solution Summary: The author calculates that mathrmcos-1(1)=pi,

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To find cos−1(−1), cos−1(0) and cos−1(1).

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Chapter 7 Solutions