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1+sin2x - cos2x/1+sin2x + cos2x= tanx

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1+sin2x - cos2x/1+sin2x + cos2x= tanx

    • Posted by Mohammad Shafaque 7 years, 6 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Alisha Bhagat 7 years, 6 months ago

    cos^2x+sin^2x +sin2x- (cos^2x-sin^2x)÷ cos^2x+sin^2x+sin2x +cos^2x-sin^2x Using identity cos^2x+sin^2x=1 and cos2x=cos^2x-sin^2x. On simplifying we get 2sin^2x +sin2x÷2cos^2x+sin2x = 2sinx(sinx+cosx)÷2cosx(cosx+sinx) =sinx/cosx = tanx

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    Prince Thakur 7 years, 6 months ago

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