SOLUTION: find the product 2(cos10 degrees + i sin10 degrees)4(cos20 degrees + i sin20 degrees) then express the result in rectangular form

Question 228740: find the product
2(cos10 degrees + i sin10 degrees)4(cos20 degrees + i sin20 degrees) then express the result in rectangular form
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
Multiply the magnitute times magnitude = 2*4.

Add the angles: 10 + 20 = 30 degrees.

=8 (cos 30 degrees + i sin 30 degrees)
=
=

Dr. Robert J. Rapalje
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