Changes

:<math>=\cos y+i\sin y</math>

:<math>=\cos y+i\sin y</math>

By the power laws then all [[complex numbers] have an exponential,

By the power laws then all [[complex numbers]] have an exponential,

<math>e^{x+yi}=e^{x}(\cos y+i\sin y)</math>.

<math>e^{x+yi}=e^{x}(\cos y+i\sin y)</math>.

[[category:mathematics]]

[[category:mathematics]]