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Math

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Differentiate

(1- sinx) / (1 +sinx)

How would I do this?

The answer is (-2cosx)/ (1 + sinx)^2

Thanks in advance :)!!

  • Math - ,

    d/dx (1-sinx)/(1+sinx)
    [-cosx (1+sinx) - (1-sinx)(cosx)]/(1+sinx)^2

    (-cosx - sinx cosx - cosx + sinx cosx)/(1+sinx)^2
    = -2cosx/(1+sinx)^2

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