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Inverse Trigonometric Functions question

2021 · 27 Aug · Shift 1 · Q24

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PYQ Library
JEE Main
Mathematics
Inverse Trigonometric Functions
2021 · 27 Aug · Shift 1 · Q24

Inverse Trigonometric Functions question

2021 · 27 Aug · Shift 1 · Q24

JEE MainMathematicsInverse Trigonometric FunctionsMCQ+4 / −1

If

{({\sin ^{ - 1}}x)^2} - {({\cos ^{ - 1}}x)^2} = a

; 0 < x < 1, a

e

0, then the value of 2x2

-

1 is :

A
$\cos \left( {{{4a} \over \pi }} \right)$
B
$\sin \left( {{{2a} \over \pi }} \right)$
C
$\cos \left( {{{2a} \over \pi }} \right)$
D
$\sin \left( {{{4a} \over \pi }} \right)$

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