If and , what is the value of…

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If

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

and

90^{\circ}<\theta<180^{\circ}

, what is the value of

\sec\theta

? (a)

-\dfrac{4}{5}

(b)

-\dfrac{5}{4}

(c)

\dfrac{5}{3}

(d)

\dfrac{5}{4}

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