If for an acute angle

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

Problem

If

\sin\theta = \frac{5}{13}

for an acute angle

\theta

, what is the value of

\cos\theta

? (a)

\dfrac{5}{12}

(b)

\dfrac{13}{12}

(c)

\dfrac{12}{13}

(d)

\dfrac{8}{13}

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