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If cos p theta+cos q theta=0, then prove...

If `cos p theta+cos q theta=0`, then prove that the different values of `theta` are in A.P. with common difference `2pi// (p pm q)`.

A

`pi/(p + q)`

B

`pi/(p - q)`

C

`(2pi)/(p pm q)`

D

`(3pi)/(p pm q)`

Text Solution

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The correct Answer is:
C
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