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Math Help - integrals in complex plane.

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    integrals in complex plane.

    Find the value of the integral f(z)dz when
    a) f(z) = (sinhz - z)/ (z^2*sinhz) and C is the rectangle bounded by the lines x=-1, x=1 and y=-1 and y=4 oriented counterclockwise
    Last edited by mr fantastic; April 24th 2010 at 01:51 PM. Reason: Edited post title.
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    Quote Originally Posted by altanl View Post
    Find the value of the integral f(z)dz when
    a) f(z) = (sinhz - z)/ (z^2*sinhz) and C is the rectangle bounded by the lines x=-1, x=1 and y=-1 and y=4 oriented counterclockwise
    Determine the singularities of f(z) that lie inside the rectangle and apply the residue theorem.
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