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==Euler's formula==
Euler's formula states that
:<math>e^{ix} = \cos x + i\,\sin x.</math>
Substituting −''x'' for ''x'' gives the equation
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Line 2:
==Euler's formula==
Euler's formula states that
:<math>e^{ix} = \cos x + i\,\sin x.</math>
Substituting −''x'' for ''x'' gives the equation
|