Find the value of .

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

Problem

Find the value of

\left(1-\sin^{2}45^\circ\right)\times\dfrac{1}{\cos30^\circ}

. (a)

\dfrac{\sqrt3}{4}

(b)

\dfrac1{\sqrt3}

(c)

1

(d)

\dfrac{\sqrt6}{3}

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