Use an identity to find the value of the following expression. Do not use a calculator. sin" + cos + cos (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section2.1: Definition Ii: Right Triangle Trigonometry
Problem 37PS: Simplify each expression by first substituting values from the table of exact values and then...
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Use an identity to find the value of the following expression. Do not use a calculator.
+ cos7
2
sin
sin
- + cos
7
%3D
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
Transcribed Image Text:Use an identity to find the value of the following expression. Do not use a calculator. + cos7 2 sin sin - + cos 7 %3D (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
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