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"tan"1/2["sin"^(-1)(2x)/(1+x^(2))+"cos"^...

`"tan"1/2["sin"^(-1)(2x)/(1+x^(2))+"cos"^(-1)(1-y^(2))/(1+y^(2))]`

A

`oo`

B

1

C

`(2 x)/(1-x^(2))`

D

`(2 x)/(1+x^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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HIMALAYA PUBLICATION-INVERSE TRIGONOMETRIC FUNCTIONS-QUESTION BANK
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  10. sin ^(-1) x=(pi)/(5), then cos ^(-1) x=

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  11. If tan (cos ^(-1) x)=

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  12. If sin^(-1) (x - (x^(2))/(2 ) + (x^(3))/(4)….)+cos^(-1)(x^2-x^4/2+x^6/...

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