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If a=sin^(-1) (-sqrt2/2)+cos^(-1) (-1/2)...

If `a=sin^(-1) (-sqrt2/2)+cos^(-1) (-1/2) and b=tan^(-1) (-sqrt3)-cot^(-1) (-1/sqrt3)`, then

A

`a-b=17pi//12`

B

`a+b=17pi//12`

C

`a+b=-7pi//12`

D

`a-b=pi//12`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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