ises evaluate the expression. 25. sin (2 cos ¹1) 27. cos (2 sin¹) 29. cos (3 sin-¹) -LA ident 26. cos (2 sin-¹) 28. sin (2 tan-¹) 30. tan (2 tan-¹)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 24E
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question 26 Explanation

Exercises 25-34: (Refer to Example 3.) Use an identity to
evaluate the expression.
25. sin (2 cos ¹1)
27. cos (2 sin-¹ ¹23)
29. cos (3 sin-¹3)
31. sin (2 tan¹x), x < 0
26. cos (2 sin-¹)
28. sin (2 tan-¹3)
30. tan (2 tan-¹1)
Transcribed Image Text:Exercises 25-34: (Refer to Example 3.) Use an identity to evaluate the expression. 25. sin (2 cos ¹1) 27. cos (2 sin-¹ ¹23) 29. cos (3 sin-¹3) 31. sin (2 tan¹x), x < 0 26. cos (2 sin-¹) 28. sin (2 tan-¹3) 30. tan (2 tan-¹1)
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