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show that sec theta(cosec theta) - cot theta = tan theta

  • ,math - ,

    secθ cscθ - cotθ
    secθ cscθ - cosθ cscθ
    (secθ-cosθ) cscθ
    (1-cos^2θ)/cosθ cscθ
    sin^2θ/cosθ cscθ
    sinθ/cosθ
    tanθ

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