Question

Define euler's formula

Answer 1

This article is about Euler's formula in complex analysis. For Euler's formula in algebraic topology and polyhedral combinatorics, see Euler characteristic.

Euler's formula, named after Leonhard Euler, is a mathematical formula in complex analysis that establishes the fundamental relationship between the trigonometric functions and the complex exponential function. Euler's formula states that for anyreal number x
e^ix=cosx+isinx