Skip to main content
Mathematics
Emmanuel José García's user avatar
Emmanuel José García's user avatar
Emmanuel José García's user avatar
Emmanuel José García
  • Member for 8 years
  • Last seen more than a week ago
Profile Activity
Stats
1,020
reputation
0
reached
0
answers
0
questions
Communities
View all
About

The half-angle formulas are central!

Context: The theoretical importance of half-angle formulas

And as a picture is worth a thousand words...

The arrows indicate that the identity at the tail of the arrow implies the identity at the head of the arrow.

Badges
View all badges
This user doesn’t have any gold badges yet.
5
silver badges
4
bronze badges
Posts

This user hasn’t posted yet.

Top network posts
View all network posts
13
The theoretical importance of the half-angle formulas
11
Trigonometric formula for solving quadratic equations
10
Generalization of the law of tangents for a cyclic quadrilateral
9
A generalization of the law of tangents
9
Solving 'impossible' integrals with a new (?) trick