Evaluate the following leaving the result as an EXACT value. cos⁡(tan^-1⁡(4/3)+sin^−1⁡(−2/5))

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 71E
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Evaluate the following leaving the result as an EXACT value.

cos⁡(tan^-1⁡(4/3)+sin^−1⁡(−2/5))

 
 
 
 
 
 
 
 
 
 
 
 
 
 
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