Category:Double Angle Formulas
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This category contains pages concerning Double Angle Formulas:
Double Angle Formula for Sine
- $\sin 2 \theta = 2 \sin \theta \cos \theta$
Double Angle Formula for Cosine
- $\cos 2 \theta = \cos^2 \theta - \sin^2 \theta$
Double Angle Formula for Tangent
- $\tan 2 \theta = \dfrac {2 \tan \theta} {1 - \tan^2 \theta}$
Pages in category "Double Angle Formulas"
The following 4 pages are in this category, out of 4 total.