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If tantheta+tan4theta+tan7theta=tantheta...

If `tantheta+tan4theta+tan7theta=tanthetatan4thetatan7theta` then `theta` =

A

`(npi)/(4)`

B

`(npi)/(7)`

C

`(npi)/(12)`

D

`npi`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-TRIGONOMETRIC EQUATIONS-Exercise-II
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