sir i do have one problem .please solve ut sir .if tanA =1/2 then find out the value of Sin3A.

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Arun · Answer

Dear Akshay tan A = ½ Hence Sin A = 1/ sqrt(5) Now Sin 3A = 3 sinA - 4 sin³A Now put the value of sin A and get your answer. Regards Arun (askIITians forum expert)

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sir i do have one problem .please solve ut sir .if tanA =1/2 then find out the value of Sin3A.

sir i do have one problem .please solve ut sir .if tanA =1/2 then find out the value of Sin3A.

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