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How do you evaluate $sin ({cos}^{- 1} (\frac{1}{5}))$ $sin(cos^(-1)(1/5))$ ?

1 Answer

A. S. Adikesavan

Feb 24, 2016

(4/5) $\sqrt{}$ $sqrt$ 6

Explanation:

Cosine of arc cos (1/5) = 1/5. So, sine is $\sqrt{}$ $sqrt$ ( 1 $-$ $-$ 1/25)

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