`sin(arccos(x))` Write an algebraic expression that is equivalent to the given expression. (Hint: Sketch a right triangle.)

Textbook Question

Chapter 4, 4.7 - Problem 69 - Precalculus (3rd Edition, Ron Larson).
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balajia | College Teacher | (Level 1) eNoter

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`sin(cos^(-1)x) = sin(sin^(-1)(sqrt(1-x^2)))`

`= sqrt(1-x^2)`

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