10
AssignmentMultiple Choice
Multiply and Divide Complex Numbers
Question 10 • NC-Math 4 CR
Let z = 3(cos(15°) + i sin(15°)) and w = 5(cos(90°) + i sin(90°)). What best describes the geometric construction of the quotient on the complex plane?
Answer
A
z is scaled by a factor of and rotated 90 degrees clockwise.B
z is scaled by a factor of 1 and rotated 90 degrees clockwise.C
z is scaled by a factor of 1 and rotated 90 degrees counterclockwise.D
z is scaled by a factor of and rotated 90 degrees counterclockwise.