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If tantheta+tan4theta+tan7theta=tantheta...

If `tantheta+tan4theta+tan7theta=tantheta*tan4theta*tan7theta`, then `tantheta=`

A

`(n pi)/(4), n in Z`

B

`(n pi)/(7) + (-1)^(n) (pi)/(2)`

C

`n pi + (-1)^(n) (5pi)/(6)`

D

`n pi + (-1)^(n)(7pi)/(6)`

Text Solution

Verified by Experts

The correct Answer is:
C
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OBJECTIVE RD SHARMA-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise
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