What is the value of tan3A? – McqOptions

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1.	What is the value of tan3A?
A.	(3tanAÂ -ÂÂ tan3A)/(1Â -ÂÂ 3tan2A)
B.	(3tanAÂ +Â tan3A)/(1Â +Â 3tan2A)
C.	(3tanAÂ -ÂÂ tan3A)/(1Â +Â 3tan2A)
D.	(3tanAÂ +Â tan3A)/(1-ÂÂ 3tan2A)
Answer» B. (3tanAÂ +Â tan3A)/(1Â +Â 3tan2A)

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