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Let f(x)=cos^(-1)((x^2)/(1+x^2)) . The r...

Let `f(x)=cos^(-1)((x^2)/(1+x^2))` . The range of f is a)`[0,pi/2]` b)`[-pi/2,pi/2]` c)`[-pi/2,0]` d)None of these

A

`[0,pi/2]`

B

`[-pi/2,pi/2]`

C

`[-pi/2,0]`

D

None of these

Text Solution

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The correct Answer is:
D
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