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Prove that (1+sinθ)^2+(1-sinθ)^2)/2cos^2θ=(1+sin^2θ)/(1-sin^2θ)

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asked Feb 15, 2018 in Mathematics by Kundan kumar (49,132 points) ● 34 ● 384 ● 1028
edited Mar 6, 2018 by faiz

Prove that (1+sinθ)2+(1-sinθ)2)/2cos2θ=(1+sin2θ)/(1-sin2θ)

Prove that (1+sin theta)2+(1-sin theta)2)/2cos2theta=(1+sin2 theta)/(1-sin2 theta)

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answered Feb 15, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 21
 
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Hence LHS =RHS Hence proved

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