complex variables, finding the identity
69478
Deducing a $\cos (kx)$ summation from the $e^{ikx}$ summation
79808
Prove the representation of complex numbers is parallelogram
67172
What's the intuition behind the identities $\cos(z)= \cosh(iz)$ and $\sin(z)=-i\sinh(iz)$?
21753
Complex differential equation
62072
Is $2+2=4$ an identity?
138060
Using NSolve in the complex plane
13297
Prove the following trigonometric identity without a calculator involved
92647
How do I compute the principal values of these complex numbers
154216
Solve $\sin(z) = z$ in complex numbers
74024
Higher dimensional equivalent of complex numbers
20305
Complex roots of $z^3 + \bar{z} = 0$
45725
Derivation of an identity with beta function.
35473
How to analyze the following complex number?
67186
Complex analysis integration question
9737
Complex number operations: telling Mathematica variables are real
149686
Combinatorics and trigonometry identity
116730
An "elementary" approach to complex exponents?