()-tan "(- 15) cos sin
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter7: Analytic Trigonometry
Section7.CT: Chapter Test
Problem 22CT
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19. Find the exact value of this expression involving inverse trigonometric functions.
1-
cos sin
|- tan (- 5)
(Hint: this is a sum of two angles).
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