Convert the following into Cartesian form: $2\mathrm{cis}\left(\frac{\pi}{2}\right)$ \(5\mathrm{ci

Question

Convert the following into Cartesian form: $2\mathrm{cis}\left(\frac{\pi}{2}\right)$ $5\mathrm{cis}(\pi)$ $\sqrt{2}\mathrm{cis}\left(-\frac{\pi}{4}\right)$

Accepted Answer

(a) $2i$; (b) $-5$; (c) $1-i$.

Conversion to Cartesian form

Conversion to Cartesian form