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sin 3 alpha = 4 sin alpha sin(x + alpha)...

`sin 3 alpha = 4 sin alpha sin(x + alpha) sin(x-alpha)`

A

`npipm(pi)/(6), ninZ`

B

`npipm(pi)/(4), ninZ`

C

`npipm(pi)/(3), ninZ`

D

`npipm(pi)/(2), ninZ`

Text Solution

Verified by Experts

The correct Answer is:
C
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