# Complex Number Functions : Analyticity and Differentiability and Cauchy-Riemann Equations

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Given f(z), determine f'(z), where it exists and state where f is analytic and where it is not: x + i sin y

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(The problem is from complex number. Please solve for only part f.)

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#### Solution Summary

Analyticity and Differentiability are investigated for a complex function are examined. The expert determines if a function exists.

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