`sin 3 alpha = 4 sin alpha sin(x + alpha) sin(x-alpha)`A. `npipm(pi)/( – InterviewSolution

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1.	`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`
Answer» Correct Answer - C

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