Practice problem
What is the rectangular form of 5(cos(3π2)+isin(3π2))5\big(\text{cos}(\frac{3\pi}{2}) + i\text{sin}(\frac{3\pi}{2})\big)5(cos(23π)+isin(23π))?
−522+522i-\frac{5\sqrt{2}}{2} + \frac{5\sqrt{2}}{2}i−252+252i
−i-i−i
−5−5i-5-5i−5−5i
−5i-5i−5i
−5-5−5
Type a concept, like “slope” or “photosynthesis”.
