Perform the indicated operation. Write the answer in the form a + bi.4(cos 30° + i sin 30°) ? 6(cos 330° + i sin 330°)
A. -12 + 12i
B. 24i
C. 12
+ 12i
D. 24
Answer: D
You might also like to view...
Write a matrix equation equivalent to the system of equations. 8w + 7x - 2y - z = -8 10x + 10y = -7-10w - 5x - y - 7z = 10 w - 8x + 10z = 10
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve.The dimensions of a digital image downloaded from the Internet are 400 pixels across and 490 pixels high. What are the total number of pixels in the image?
A. 196,000 B. 196,020 C. 890 D. 19,600
Provide an appropriate response.A dining room set was ordered on August 12, paid for on August 15 and received August 21, and had discount terms of 2/10, n/30, ROG. What is the latest date the cash discount is allowed?
A. August 31 B. September 1 C. August 25 D. August 22
Divide, if possible.-30 ÷ 2
A. -25 B. 15 C. -15 D. 25