`cos(arcsin(5/13))` Find the exact value of the expression. (Hint: Sketch a right triangle.)

Textbook Question

Chapter 4, 4.7 - Problem 57 - Precalculus (3rd Edition, Ron Larson).
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balajia | College Teacher | (Level 1) eNoter

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Taking opposite side as 5 and hypotenuse as 13 ,then the adjacent side will be sqrt(13^2-5^2)=12.



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