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If the solutions for `theta` of `Cosptheta + Cosqtheta =0,pgtqgt0` are in A.P, then numerically smallest common differece of A.P is

A

`(pi)/(p + q)`

B

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

C

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

D

`(1)/(p + q)`

Text Solution

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The correct Answer is:
B
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