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Calculus (Derivatives)

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Using the product rule, find the derivative of the following function:
(x^1/2 cscx sinx).

  • Calculus (Derivatives) - ,

    First off, csc * sin = 1
    So, y = √x

    However, if you insist on doing it the hard way

    y = √x cscx sinx
    y' = 1/2√x cscx sinx + √x(cscx sinx)'
    = 1/2√x * 1 + √x(-cscx ctnx * sinx + cscx cosx)
    = 1/2√x + √x(-ctnx + ctnx)
    = 1/2√x

    same answer

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