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Mathematics 21 Online
OpenStudy (anonymous):

Can I do it like this? Q:(1+cosθ+sinθ)/(1+cosθ-sinθ)=(1/cosθ)+tanθ A:(1+cosθ+sinθ)/(1+cosθ-sinθ)=(1+sinθ)/cosθ cosθ[(1+cosθ+sinθ)/(1+cosθ-sinθ)]=1+sinθ cosθ+cos^2 θ+sinθcosθ=1+cosθ-sinθ+sinθ+cosθsinθ-sin^2 θ cos^2 θ=1-sin^2 θ cos^2 θ+sin^2 θ=1 1=1 ∴(1+cosθ+sinθ)/(1+cosθ-sinθ)=(1/cosθ)+tan

OpenStudy (vishweshshrimali5):

Yes u can

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