Euler’s identity

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Euler’s formula ${e^{i\theta }} = \cos (\theta ) + i\sin (\theta )$
Euler’s identity ${e^{i\pi }} + 1 = 0$
Some important trig identities

Up a level : Calculus and Analysis
Previous page : The Harmonic series
Next page : The hyperbolic functions

Last modified: Jan 16, 2018 @ 20:56