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Differentiation question

2022 · 26 Jul · Shift 2 · Q26

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PYQ Library
JEE Main
Mathematics
Differentiation
2022 · 26 Jul · Shift 2 · Q26

Differentiation question

2022 · 26 Jul · Shift 2 · Q26

JEE MainMathematicsDifferentiationMCQ+4 / −1

The value of

\log _{e} 2 \frac{d}{d x}\left(\log _{\cos x} \operatorname{cosec} x\right)

at

x=\frac{\pi}{4}

is

A
$-2 \sqrt{2}$
B
$2 \sqrt{2}$
C
$-4$
D
4

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