Toronto Math Forum
MAT3342020S => MAT334Lectures & Home Assignments => Chapter 2 => Topic started by: Yan Zhou on February 09, 2020, 05:52:15 PM

I am quite confused about the value of $2+sin\theta$. We know $sin\theta = \frac{1}{2i}(z  \frac{1}{z})$,
it says that $2 + sin\theta = 2 +(\frac{1}{2}i)(z\frac{1}{z})$. Is that a typo?

Yes, wrong sign in the middle (should be $\drac{1}{2i}=\dfrac{i}{2}$) but the final result is correct