Loading...

Maths formulas

Complex numbers \(\sqrt{-1} = i\)

\[\sin \theta = \frac{e^{i\theta} - e^{-i\theta}}{2i}\]
\[\cos \theta = \frac{e^{i\theta} + e^{-i\theta}}{2}\]
\[\left[ r \left(\cos \theta + i \sin \theta \right) \right]^n = r^{n} \left(\cos n\theta + i \sin n\theta \right)\]