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Prove that tan("pi"/4+1/2"cos"^(-1)"\ \ ...

Prove that `tan("pi"/4+1/2"cos"^(-1)"\ \ ""a"/"b")+"tan\ "("pi"/4+1/2"cos"^(-1)"\ \ ""a"/"b")=(2"b")/"a"` .

A

`(2a)/(b)`

B

`(2b)/(a)`

C

`(a^(2)+b^(2))/(b) `

D

`(a^(2)+b^(2))/(a) `

Text Solution

Verified by Experts

The correct Answer is:
B
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE
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  16. If sin^(-1) ((2a)/(1+a^(2)))-cos^(-1)((1-b^(2))/(1+b^(2))) = tan ^(-1)...

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  20. If tan^(-1)(a/x) + tan^(-1)(b/x) =pi/2, then: x=

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