if tan beta = (tan alpha + tan gama)/(1+ tan alpha . tan gama),
prove that sin2beta=(sin2alpha + sin2gama)/(1+sin2alpha . sin2gama)

Question

if tan beta = (tan alpha + tan gama)/(1+ tan alpha . tan gama), prove that sin2beta=(sin2alpha + sin2gama)/(1+sin2alpha . sin2gama)

grenade · Answer

from the above statement it is clear that beta=alpha+gama

grenade · Answer

oops mistook

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if tan beta = (tan alpha + tan gama)/(1+ tan alpha . tan gama), prove that sin2beta=(sin2alpha + sin2gama)/(1+sin2alpha . sin2gama)

if tan beta = (tan alpha + tan gama)/(1+ tan alpha . tan gama),
prove that sin2beta=(sin2alpha + sin2gama)/(1+sin2alpha . sin2gama)

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if tan beta = (tan alpha + tan gama)/(1+ tan alpha . tan gama), prove that sin2beta=(sin2alpha + sin2gama)/(1+sin2alpha . sin2gama)

if tan beta = (tan alpha + tan gama)/(1+ tan alpha . tan gama), prove that sin2beta=(sin2alpha + sin2gama)/(1+sin2alpha . sin2gama)

2 Answers

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if tan beta = (tan alpha + tan gama)/(1+ tan alpha . tan gama),
prove that sin2beta=(sin2alpha + sin2gama)/(1+sin2alpha . sin2gama)