Find z1z2. Express the answer in standard form.z1 = 4(cos 120° + i sin 120°)z2 = 5(cos 120° + i sin 120°)
A. 10
- 10i
B. -10
+ 10i
C. 10 + 10i
D. -10 - 10i
Answer: D
Mathematics
You might also like to view...
Provide an appropriate response.Graph the equation 
for several values of a in order to get an idea of what these curves look like. (Try both 
and 
Show that the graph will have an inner loop for every a such that 
and find the values of ? that correspond to the inner loop.
What will be an ideal response?
Mathematics
Convert the angle to decimal degree notation. Round your answer to two decimal places.-62°47'13''
A. -62.83° B. -62.79° C. -62.78° D. -62.73°
Mathematics
Find the value of P(x).Find P(-3) where P(x) = 7x2 - 2x.
A. 69 B. 58 C. -15 D. 63
Mathematics
Graph the equation by plotting points.y = |x| + 2
A. 
B. 
C. 
D. 
Mathematics