Find 
. Express the answer in standard form.z1 = 20(cos 338° + i sin 338°)z2 = 4(cos 68° + i sin 68°)
A. -5
B. -5i
C. - 
i
D. - 
+ 
i
Answer: B
Mathematics
You might also like to view...
Write each equation in standard form and identify a, b, and c. 8x2 = 6x
A. a = 8, b = 0, c = 6 B. a = 3, b = 6, c = 0 C. a = 8, b = -6, c = 0 D. a = 8, b = -6
Mathematics
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent.Chris Owens opened a taxi service company. To pay for startup costs, Chris Owens borrowed $15,000 from a bank at 12% for 1 year. Find the interest.
A. $16,800.00 B. $1950.00 C. $180.00 D. $1800.00
Mathematics
Determine whether the statement is true or false.
?
If 
?
A. True B. False
Mathematics
Use the graph to find the horizontal asymptote, if any, of the function.
A. y = 4 B. y = -4 C. none D. y = 0
Mathematics