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Limits Continuity and Differentiability question

2019 · 12 Jan · Shift 1 · Q39

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JEE Main
Mathematics
Limits Continuity and Differentiability
2019 · 12 Jan · Shift 1 · Q39

Limits Continuity and Differentiability question

2019 · 12 Jan · Shift 1 · Q39

JEE MainMathematicsLimits Continuity and DifferentiabilityMCQ+4 / −1

\mathop {\lim }\limits_{x \to \pi /4} {{{{\cot }^3}x - \tan x} \over {\cos \left( {x + {\pi \over 4}} \right)}}

is :

A
$8\sqrt 2$
B
4
C
$4\sqrt 2$
D
8

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