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If sinθ = k sin(θ + 2α ),

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prove that , tan (θ + α) = (1+k)/(1-k)tan α?

trignometric-functions

asked Nov 5, 2014 in TRIGONOMETRY by anonymous

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1 Answer

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Given

Now find

Now find

Now find

Given trigonometric identity :

Start from Left Hand Side (LHS)

Substitute

answered Nov 5, 2014 by lilly Expert

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