Revision as of 15:10, 21 April 2025 by Bot (Created page with "<div class="d-none"><math> \newcommand{\mathds}{\mathbb}</math></div> {{Alert-warning|This article was automatically generated from a tex file and may contain conversion errors. If permitted, you may login and edit this article to improve the conversion. }}Find geometric proofs, using triangles in the plane, for the well-known formulae for <math>\sin(x+y)</math> and <math>\cos(x+y)</math>.")
BBot
Apr 21'25
Exercise
[math]
\newcommand{\mathds}{\mathbb}[/math]
This article was automatically generated from a tex file and may contain conversion errors. If permitted, you may login and edit this article to improve the conversion.
Find geometric proofs, using triangles in the plane, for the well-known formulae for [math]\sin(x+y)[/math] and [math]\cos(x+y)[/math].