1. ## simple conjugate question

Hi all,

what is the conjugate of A + A exp(-i)+ B exp(-2i)

regards,

2. ## Re: simple conjugate question

Originally Posted by nerdygirl
Hi all,

what is the conjugate of A + A exp(-i)+ B exp(-2i)

regards,
The conjugate of

$e^{ix}, x \in \mathbb{R}$ is

$\overline{e^{ix}}=\overline{\cos(x)+i\sin(x)}=\cos (x)-i\sin(x)=e^{-ix}$

Use this to finish the problem.