How do I compute the real and imaginary parts of the complex number, $z = \tan (x + ix)$
71540
Real and Imaginary Parts of tan(z)
95473
Complex Numbers Geometry
110507
Complex Number Locus w.r.t Coordinate Axes
35307
Comparing complex numbers
56341
Solving complex numbers equation $z^3 = \overline{z} $
137718
Prove that the complex expression is real
20305
Complex roots of $z^3 + \bar{z} = 0$
11059
Verify the identity: $\tan^{-1} x +\tan^{-1} (1/x) = \pi /2$
120895
Converting complex number raised to a power to polar form
73538
solving $\cos z + \sin z = i$
48956
Simplify $\arctan (\frac{1}{2}\tan (2A)) + \arctan (\cot (A)) + \arctan (\cot ^{3}(A)) $
136961
Why does the complex equation $z=Ae^{it}+Be^{-it}$ represent an ellipse?
17620
Why the principal value of complex number argument is taken within $(-\pi,\pi]?$
94837
Solving complex equation $z^2 + (1+i) \overline{z} + 4i = 0$
158524
Complex numbers $z$ such that $|z|= 1$
112348
Defining the Complex numbers
35940
Polar form of the sum of complex numbers $\operatorname{cis} 75 + \operatorname{cis} 83 + \ldots+ \operatorname{cis} 147$