Category:Tangent Half-Angle Substitution for Cosine

From ProofWiki
Jump to navigation Jump to search

This category contains pages concerning Tangent Half-Angle Substitution for Cosine:


$\cos 2 \theta = \dfrac {1 - \tan^2 \theta} {1 + \tan^2 \theta}$

Pages in category "Tangent Half-Angle Substitution for Cosine"

The following 2 pages are in this category, out of 2 total.