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[" If "(tan3A)/(tan A)=k," then "(sin3A)...

[" If "(tan3A)/(tan A)=k," then "(sin3A)/(sin A)=],[" 1) "(3k)/(k-1),k in Rquad " 2) "(2k)/(k-1),k in((1)/(3),3)],[" 3) "(2k)/(k-1),k!in((1)/(3),3)quad " 4) "(k-1)/(2k),k!in((1)/(3),3)]

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If tan3A=k tanA , Then S.T (sin3A)/(sinA)=(2K)/(K-1)

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