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If a le tan ^(-1) x+cot ^(-1) x+sin ^(-1...

If `a le tan ^(-1) x+cot ^(-1) x+sin ^(-1) x le b` then

A

`a,=0, b=pi`

B

`b=(pi)/(2)`

C

`a=(pi)/(4)`

D

`a=(pi)/(3)`

Text Solution

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The correct Answer is:
A
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