math

if h(x)=sinπ/x then find hderivative(4)

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  1. The way you typed it, sinπ would just be a constant, and
    h ' (x) = -sinπ/x^2

    I will guess that you meant
    h(x) = sin (π/x), which would be a totally different function

    h '(x) = cos(π/x) ( -π/x^2)
    so h ' (4) = (-π/16)cos(π/4)

    I will let you do the button-pushing.

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