1.

For a complex variable z = x + iy, which of the following statements is true?

A. Both sin h Z and cos h Z are entire functions
B. Neither sin h Z nor cos h Z are entire functions.
C. sin h Z is entire but cos h Z is not an entire function
D. sin h Z is not entire but cos h Z is an entire function.
Answer» B. Neither sin h Z nor cos h Z are entire functions.


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