Find the exact value of the equation

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 76E
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Find the exact value of the equation

13л
13n
+ sin-
9
sin
9.
9.
cos
cos
9
Transcribed Image Text:13л 13n + sin- 9 sin 9. 9. cos cos 9
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