Given and is an acute angle

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Given

\cos x=\dfrac{5}{13}

and

x

is an acute angle, find

\sin x

. (a)

\dfrac{5}{12}

(b)

-\dfrac{12}{13}

(c)

\dfrac{12}{13}

(d)

\dfrac{8}{13}

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