91. The real part of an analytic function f(z) where z = x + jy is given by e-y cos(x). The imaginary part of f(z) is A. ey cos(x) B. e-y sin(x) C. -ey sin(x) D. -e-y sin(x) Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board