Question

Write 3exp(ix) - 3exp(-ix) in the Euler form? Is it 2i/3.sinx?

Answer 1

Hint:
\[3e^{ix}-3e^{-ix} = 6\frac{e^{ix}-e^{-ix}}{2}\]

Answer 2

No sorry, I am failing to see the hint :/

Answer 3

How did you get to your answer? You're on the right track.

Answer 4

Ah I've got it now! I was doing something rather stupid earlier on, but now I can see it. Thank you very much for your hint! :)

Answer 5

6i.sinx that is.

Answer 6

Looks right to me =)