Practice problem
What is the imaginary part of z=a(cos(b)+isin(b))?z=a(\text{cos}(b)+i\text{sin}(b))?z=a(cos(b)+isin(b))?
acos(b)a\text{cos}(b)acos(b)
isin(b)i\text{sin}(b)isin(b)
sin(b)\text{sin}(b)sin(b)
asin(b)a\text{sin}(b)asin(b)
Type a concept, like “slope” or “photosynthesis”.
