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Inverse Trigonometric Functions question

2021 · 25 Feb · Shift 2 · Q31

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JEE Main
Mathematics
Inverse Trigonometric Functions
2021 · 25 Feb · Shift 2 · Q31

Inverse Trigonometric Functions question

2021 · 25 Feb · Shift 2 · Q31

JEE MainMathematicsInverse Trigonometric FunctionsMCQ+4 / −1

cosec

\left[ {2{{\cot }^{ - 1}}(5) + {{\cos }^{ - 1}}\left( {{4 \over 5}} \right)} \right]

is equal to :

A
${{75} \over {56}}$
B
${{65} \over {56}}$
C
${{56} \over {33}}$
D
${{65} \over {33}}$

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