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सिद्ध कीजिए - tan^(-1).(1)/(2)+tan^(-...

सिद्ध कीजिए -
`tan^(-1).(1)/(2)+tan^(-1).(2)/(11)=tan^(-1).(3)/(4)`

A

`tan^(-1)((1)/(3))`

B

`tan^(-1)((4)/(3))`

C

`tan^(-1)((3)/(4))`

D

`tan^(-1)((1)/(5))`

Text Solution

Verified by Experts

The correct Answer is:
C
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tan^(-1)(1)/(4)+tan^(-1)(2)/(9)=tan^(-1)(1)/(2)

Show that ,,tan^(-1)(1)/(2)+tan^(-1)(2)/(11)=tan^(-1)(3)/(4)

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Prove that tan^(-1). 1/2 +tan^(-1). 2/11 = tan^(-1) . 3/4

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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Evaluation Test
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