Integration using Euler's formula: Difference between revisions

Revision as of 18:35, 24 December 2013

Revision as of 08:16, 28 January 2014

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:<math>e^{-ix} = \cos x - i\,\sin x.</math>

These two equations can be solved for the sine and cosine:

:<math>\cos x = \frac{e^{ix} + e^{-ix}}{2}\quad\text{and}\quad\sin x = \frac{e^{ix}-e^{-ix}}{2i2}.</math>

==Simple example==