Trigonometry
Math
Most important formulas and identities
Sample Data
| Front | [$$]\cos x[/$$] (Euler) |
| Back | [$$]\frac{ e^{ix} + e^{-ix}}{2}[/$$] |
| Tags |
| Front | The law of sines |
| Back | [$$]\frac{\sin A}{a} = \frac{\sin B}{b} = \frac{\sin C}{c} = 2R = \frac{abc}{2\Delta}[/$$]with[$$]R = \frac{abc}{\sqrt{(a+b+c)(a-b+c)(a+b-c)(b+c-a)} }[/$$][$$]\Delta = area = \frac{ab \sin C}{2}[/$$]
 |
| Tags |
| Front | arc sector area A = ? |
| Back | [$$]\frac{r^{2}.\theta}{2}[/$$]
 |
| Tags |