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If (1-cosx)/(cosx(1+cosx))=(sinalpha)/(c...

If `(1-cosx)/(cosx(1+cosx))=(sinalpha)/(cosx)-2/(1+cos x)` then `alpha`=

A

`pi//8`

B

`pi//4`

C

`pi//2`

D

`pi`

Text Solution

Verified by Experts

The correct Answer is:
C
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PATHFINDER-BASIC MATHEMATICS-QUESTION BANK
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