Write the complex number in trigonometric form r(cos ? + i sin ?), where r is exact and -? < ? ? ?.-3i
A. 3 (cos ? + i sin ?)
B. 3 
C. -3 (cos 0 + i sin 0)
D. 3 
Answer: B
Mathematics
You might also like to view...
Evaluate the integral.
A. 96 B. 120 C. -12 D. 12
Mathematics
Evaluate the absolute value.|10|
A. 20 B. -10 C. 0 D. 10
Mathematics
Solve the problem.A holder of a $4000, 7%, 90-day note dated June 3 decides to sell the note at a discount. The note is sold on July 15 at a discount of 9%. Find the proceeds.
A. $3988.89 B. $4020.14 C. $4021.16 D. $4032.01
Mathematics
Determine whether the point is a solution to the given inequality.y < 
x - 3; (9, -2)
A. (9, -2) is not a solution B. (9, -2) is a solution
Mathematics