An Inequality about complex numbers with non-negative real and imaginary parts
92595
A problem regarding the in-equality of complex numbers .
24221
Complex numbers - minimum value proof
36444
Bound of a complex-valued function
5465
This inequality $a+b^2+c^3+d^4\ge \frac{1}{a}+\frac{1}{b^2}+\frac{1}{c^3}+\frac{1}{d^4}$
73771
An inequality for a sum of sine functions
29342
Prove the inequality: $(y+z)*x^4+(x+z)*y^4+(x+y)*z^4\le((x+y+z)^5)/12$ for positive reals.
155423
lower triangle inequality for complex numbers
156881
How prove this inequality $I=\int_{0}^{\sqrt{2\pi}}\sin{x^2}dx>0$
158524
Complex numbers $z$ such that $|z|= 1$
118884
The sine inequality $\frac2\pi x \le \sin x \le x$ for $0<x<\frac\pi2$
117680
Prove that $|e^{i\theta_1}-e^{i\theta_2}| \leq |\theta_1 - \theta_2|$
103536
How to prove $|e^{i\theta} - 1| \leq |\theta|$?
129890
Proving inequality $|\sin(n\theta) |\le n\sin\theta$
137718
Prove that the complex expression is real
128189
Proving Integral Inequality
79491
Inequality $(a+b)^2 + (a+b+4c)^2\ge \frac{kabc}{a+b+c}$ for $a,b,c \in\mathbb{R}$
19078
Prove an interpolation inequality