*¨^(-1)]. Find the exact value of cos 2 cos cos [2 cos ¹(-2)]=0 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
*¨^(-1)]. Find the exact value of cos 2 cos cos [2 cos ¹(-2)]=0 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 71E
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![Find the exact value of cos 2 cos
[2 cos -¹ (-1)]
cos 2 cos
-1(---))-0
=
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F01ab8b4d-9f7b-47d6-9013-d88fec313f5d%2Fa108ebc2-2355-4f07-8370-758f521ddf98%2F1vhqs8d_processed.png&w=3840&q=75)
Transcribed Image Text:Find the exact value of cos 2 cos
[2 cos -¹ (-1)]
cos 2 cos
-1(---))-0
=
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
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