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show that sin 2theta/1-cos 2 theta = cot theta

  • trigonometry -

    The equation you gave is NOT an identity,

    Did you mean

    sin (2Ø)/(1 - cos^2 Ø) = 2cotØ ?

    LS = 2sinØcosØ/(sin^2 Ø)
    = 2cosØ/sinØ
    = 2cotØ
    = RS

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