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March 28, 2017

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Prove that

cscx / cosx = tanx + cotx

  • advanced functions - ,

    LS = cscx/cosx
    = (1/sinx)/cosx
    = 1/(sinxcosx)

    RS = sinx/cosx + cosx/sinx
    = (cos^2x + sin^2x)/(sinxcosx)
    = 1/(sinxcosx)
    = LS

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