If and lies in the first quadrant

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

Problem

If

\sin\theta=\dfrac{3}{5}

and

\theta

lies in the first quadrant, find

\sec\theta

. (a)

\dfrac{4}{5}

(b)

\dfrac{5}{4}

(c)

\dfrac{3}{4}

(d)

\dfrac{5}{3}

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