tan ( cos ^(-1) "" (4)/(5) + tan ^(-1) "...

`tan ( cos ^(-1) "" (4)/(5) + tan ^(-1) "" (2)/(3))` बराबर है -

A

`(6)/(17)`

B

`(7)/(16)`

C

`(16)/(7)`

D

`(17)/(6)`

Verified by Experts

The correct Answer is:

D

tan ( cos ^(-1) "" (4)/(5) + tan ^(-1) "" (2)/(3)) बराबर है -
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Prove the following: tan^(-1)(1/4)+tan^(-1)(2/9)=1/2cos^(-1)(3/5)
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Prove that: tan^-1(1/4)+tan^-1(2/9)=1/2 cos^-1(3/5).
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सिद्ध कीजिए कि "tan"^(-1)1/4+"tan"^(-1)2/9=1/2"cos"^(-1)3/5
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tan(cos^(-1)((4)/(5))+tan^(-1)((2)/(3)))=
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tan [cos^(-1)((4)/(5)) +tan ^(-1)((2)/(3))]=....
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tan(cos^(-1)((3)/(5))+tan^(-1)((1)/(4)))
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tan{cos^(-1)((4)/(5))+tan^(-1) ((2)/(3))} का मान है
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