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

If `sin^(-1)(x-(x^2)/2+(x^3)/4-ddot)+cos^(-1)(x^2-(x^4)/2+(x^6)/4)=pi/2` for `0<|x|

A

-1

B

`(-1)/2`

C

`1/2`

D

1

Text Solution

Verified by Experts

The correct Answer is:

D

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