(2 ^ -1 1 7 )- (4 ^ -1 1 3 )= - Vidyadip

MCQ

$\cos\Big(2\tan^{-1}\frac{1}{7}\Big)-\sin\Big(4\sin^{-1}\frac{1}{3}\Big)=$

A
$1$
✓
$0$
C
$\frac{1}{2}$
D
$-\frac{1}{2}$

✓

Answer

Correct option: B.

$0$

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