Polar cones' property
108667
Proof of properties of dual cone
62878
Expressing polar complex numbers in cartesian form
75211
Theorem about positive matrices
57406
Proving the volume of a cone
16943
Midpoint-Convex and Continuous Implies Convex
140024
How to obtain the gradient in polar coordinates
40456
How to create a rounded cone
75694
The Schwarz Reflection Principle for a circle
131596
Symmetric Inequality in $\mathbb{R}$
44704
familly of Radially open sets in $\mathbb{R}^2$
158523
Topology: Proof that a finitely generated cone is closed
71572
factor-square property (FSP) of polynomials
65276
Residues and poles proof
56081
Prove that the ellipsoid $E = \{ (x,y,z) \in R^3 \mid \frac{x^2}{a^2} + \frac{y^2}{b^2} + \frac{z^2}{c^2} \leq 1 \}$ is convex
2952
Cauchy-Riemann equations in polar form.
88555
About the point $P$ inside a square $ABCD$ satisfying $BP = BC$ and $\angle APD = 90^\circ$
46207
How to change the radius markers and number of concentric circles in a polar plot?