Practice problem
Convert 22(cos(π4)+isin(π4))22(\cos(\frac{\pi}{4}) + i\sin(\frac{\pi}{4}))22(cos(4π)+isin(4π)) to rectangular form.
1+i1+i1+i
11+11i11+11i11+11i
112+(112)i11\sqrt{2}+(11\sqrt{2})i112+(112)i
113+(113)i11\sqrt{3}+(11\sqrt{3})i113+(113)i
333+(333)i33\sqrt{3}+(33\sqrt{3})i333+(333)i
Type a concept, like “slope” or “photosynthesis”.
