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The greatest and least value of (sin^(-1...

The greatest and least value of `(sin^(-1)x)^2 + (cos^(-1) x)^2` are respectively :

A

`(5pi^2)/4` and `pi^2/8`

B

`pi/2` and `(-pi)/2`

C

`pi^2/4` and `(-pi^2)/4`

D

`pi^2/4` and 0

Text Solution

Verified by Experts

The correct Answer is:
A
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