Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

Law of Tangents

Revision as of 15:52, 7 October 2007 by Temperal (talk | contribs) (stub space)

This article is a stub. Help us out by expanding it.

The Law of Tangents states that for any $a$ and $b$ such that $\tan a,\tan b \subset \mathbb{R}$, $\frac{a-b}{a+b}=\frac{\tan(a-b)}{\tan(a+b)}$


See also

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=Law_of_Tangents&oldid=17506"