Content deleted Content added
HaydenWong (talk | contribs) Undid revision 1297609832 by HaydenWong (talk) Changed my mind: one of the link leads to a sub section |
→Relationship with trigonometry: Added a step in the derivation of complex exponentiation |
||
Line 211:
<math display="block">e^{it} =\cos(t)+i\sin(t). </math>
This formula provides the decomposition of complex
<math display="block">e^{x+iy} = e^{x}e^{iy} = e^x\,\cos y + i e^x\,\sin y.</math>
The trigonometric functions can be expressed in terms of complex exponentials:
| |||