10. Find exact value of each expression. (a) cos(75°) + cos(15°) %3D (b) sin(45°) cos(15°)
10. Find exact value of each expression. (a) cos(75°) + cos(15°) %3D (b) sin(45°) cos(15°)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section1.7: Inverse Trigonometric Functions
Problem 3ECP
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![10. Find
exact value of each expression.
(a) cos(75°) + cos(15°)
%3D
(b) sin(45°) cos(15°)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F67529ad0-0603-4da4-9ed3-4f7706a6b763%2Ff1de366b-3383-42a1-9b0f-7ebd3b2ddd4a%2F8q0a0rt.jpeg&w=3840&q=75)
Transcribed Image Text:10. Find
exact value of each expression.
(a) cos(75°) + cos(15°)
%3D
(b) sin(45°) cos(15°)
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