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If (sin^(-1)x)^2 – (cos^(-1) x)^2 = api^...

If `(sin^(-1)x)^2 – (cos^(-1) x)^2 = api^2` then the range of 'a' is a)`[-3/4,1/4]`b)`[-3/4,3/4]` c)`[-1,1]`d)`[-1,3/4]`

A

`[-3/4,1/4]`

B

`[-3/4,3/4]`

C

`[-1,1]`

D

`[-1,3/4]`

Text Solution

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The correct Answer is:
A
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