I'm trying out Maple 2021
See the PDF below.
Pretty Amazing
Maple 2021
https://fr.maplesoft.com/products/maple/new_features/index.aspx
Trying out Maple 2021
Everything you see here is built programmatically — even the drawing — and the program is shown. This PDF, after the first page, shows a slight variation of a Maple demo package. I added line items regarding point coordinates.
Notice it proves that 
.
Derivation of 
for Single Angles
Using Maplesoft Maple 2021, I revisited my previous equation for , and was able to simplify the equation.
