Find the product of (5+5i)(3-3i) using trigonometric forms. Express the result in trigonometric form.
a. 30[cos(45degrees)+isin(45degrees)]
b. 30[cos(60 degrees)+isin(60 degrees)]
c. 30[cos(0degrees)+isin(0degrees)]
d. 15[cos(45degrees)+isin(45degrees)]
e. 15[cos(0degrees)+isin(0degrees)]
