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Evaluate int limits text c frac text dz text z sin...

This question belongs to Engineering Maths Complex Variable
Complex Variable
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Evaluate: $$\int\limits_{\text{c}} {\frac{{{\text{dz}}}}{{{\text{z}}\sin {\text{z}}}}} ,$$   where c is x2 + y2 = 1.

Answer & Solution
Correct Answer: Option C
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