EDB — 1M7

Exercises

1. [1M7]If $z=x+iy$ with $x,y\in ℝ$, then we can express the complex exponential as a product $e^z=e^x{e}^{iy}$. Use power series developments to show Euler’s identity $e^{iy}=\cos y+i\sin y.$

   Solution 1

   [1M8]↺↻