find the exact value of the expressoion:   cos[sin-1(1/2)]

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 40E
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find the exact value of the expressoion:   cos[sin-1(1/2)]

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Publisher:
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