Problem with complex equation $\sin z=\cos z$
108245
Solving the complex equation $\sin(z) = \cos(z)$
57152
Solve $\sin x = 1 - x$
136961
Why does the complex equation $z=Ae^{it}+Be^{-it}$ represent an ellipse?
157200
Roots of a equation on a complex plane
122181
Application of Complex Numbers
23901
Find every $z$s that fit $\cos(z) = -2$
77810
Solving Trigonometric Derivatives
29604
How to solve $\sin x +\cos x = 1$?
64255
Trigonometry problem
156782
Confused about complex numbers
118408
Equation with cos and product
55436
Why does $A\sin{k(x+c)}=a\sin{kx}+b\cos{kx}$ imply that $A=\sqrt{a^2+b^2}$ and $\tan{c}=-b/a$?
152019
Derivation of inverse sine, what is wrong with this reasoning?
101448
Is $\sin^2(z) + \cos^2(z)=1$ still true for $z \in \Bbb{C}$?
14410
If $(1+ \cos A) (1+ \cos B) (1+\cos C)= y = (1- \cos A) (1-\cos B) (1-\cos C)$ then $y = \pm \sin A \sin B \sin C$
2648
Show that the equation $\cos(\sin x)=\sin(\cos x)$ has no real solutions.
61339
Integrating trigonometric function problem $\int \frac{3\sin x+2\cos x}{2\sin x+3\cos x}dx$