_0^1 ^ - 1 x ,dx = - Vidyadip

MCQ

$\int_0^1 {{{\cos }^{ - 1}}x\,dx = } $

A
$0$
✓
$1$
C
$2$
D
None of these

✓

Answer

Correct option: B.

$1$

b
(b) $\int_0^1 {{{\cos }^{ - 1}}x\,\,dx = \left[ {x{{\cos }^{ - 1}}x - \sqrt {1 - {x^2}} } \right]} _0^1 = 1$.

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