11.8.3 Can you answer these questions?

11.8.3.1 Plot a function on the surface of a sphere

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311309

I need to plot a function depending on the spherical angles $(\theta, \phi)$ on the surface of a sphere with fixed radius. The function is the following: 
$$\frac{1}{2}\ln \left[\frac{(\tan(\theta/2))^... 
[plotting] [graphics]
 

asked by MariNala https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63204 Score of 1

11.8.3.2 How to Combine 3 3D Parametric Plots into One Unified Visualization for Constructing a Level Set in Mathematica to get BoundaryMeshRegion

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=311358

I'm working on a project in Mathematica where I need to combine two 3D parametric plots into a single visualization for constructing a level set. I've written the following code to generate the two ... 
[plotting] [regions] [mesh] [parametric-functions] [polygons]
 

asked by kai29lol https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=99190 Score of 1