How do you multiply # (4-8i)(3+9i) # in trigonometric form?

Related questions

• What is The Trigonometric Form of Complex Numbers?
• How do you find the trigonometric form of the complex number 3i?
• How do you find the trigonometric form of a complex number?
• What is the relationship between the rectangular form of complex numbers and their corresponding...
• How do you convert complex numbers from standard form to polar form and vice versa?
• How do you graph #-3.12 - 4.64i#?
• Is it possible to perform basic operations on complex numbers in polar form?
• What is the polar form of #-2 + 9i#?
• How do you show that #e^(-ix)=cosx-isinx#?
• What is #2(cos330+isin330)#?