Question

euler's formula

Answer 1

http://en.wikipedia.org/wiki/Euler's_formula

Answer 2

use
\[\Large e^{-\theta i}=\cos(\theta)-isin(\theta)\]

Answer 3

can you take me step by step?

Answer 4

use the above formula just replace
\[\theta \] with \[\Large \frac{\pi}{6}\] and you will get answer.

Answer 5

what about e^-1?

Answer 6

\[e^{-1}=e^{ii}\]?
just thinking out loud...

Answer 7

e^(-1-pi/6)= e^-1 * e^-(pi/6) ?

Answer 8

e^-1[cos(pi/6) - sin(pi/6)]

Answer 9

\[\sqrt{3}\]/2*e -i 1/2*e

Answer 10

yes it is correct at the end it should also be -1/2e^-1 (you missed -1 in the exponent.

Answer 11

thank you for your help