CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

Evaluate

\displaystyle\lim_{x\to 0}\sqrt{\frac{1-\cos x}{x^{2}}}\,\cdot\,\frac{\tan x}{x}

. (a)

\dfrac{1}{2}

(b)

\sqrt{2}

(c)

\dfrac{1}{\sqrt{2}}

(d)

0

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