Question

Quick Trig Help... Need help understanding a small point!

Answer 1

\[16\sqrt{2}(1-i) = 32(1/\sqrt{2}-i/\sqrt{2})=32(\cos (\pi/4)+isin(\pi/4))\]
I get all of it APART from the + isin(pi/4), where did the "+" come from?

Thanks!

Answer 2

=32(cos(π/4)+isin(π/4))

Last part seems to have cut off...