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If sin^(-1)(x-(x^2)/(2)+(x^3)/(4)-...inf...

If `sin^(-1)(x-(x^2)/(2)+(x^3)/(4)-...infty)+cos^(-1)(x^2-(x^4)/(2)+(x^6)/(4)-...infty)=(pi)/(2)` and
`0ltxltsqrt(2)`, then x is equal to

A

`(1)/(2)`

B

1

C

`-(1)/(2)`

D

-1

Text Solution

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The correct Answer is:
B
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