Write the number in trigonometric form. Let 0° ? ? < 360°.-
- i
A. 
(cos 315° + i sin 315°)
B. 
(cos 135° + i sin 135°)
C. 
(cos 225° + i sin 225°)
D. 
(cos 45° + i sin 45°)
Answer: C
You might also like to view...
In the isosceles triangle shown, the legs are 10 inches each while m
= 40°. Find the length of base 
correct to the nearest tenth of an inch.
What will be an ideal response?
Find an exponential model for the following data set. Round your answer to two decimal places. t 0 1 2 3 y 3.01 3.31 3.64 4.00?
A. 
B. ?
C. ?
D. ?
Solve the problem.Suppose the price p of bolts is related to the quantity q that is demanded by: p = 500 - 5q2where q is measured in hundreds of bolts. Suppose the supply function for bolts is given by p = 5q2, where q is the number of bolts (in hundreds) that are supplied at price p. Find the equilibrium supply.
A. About 636 bolts B. About 778 bolts C. About 707 bolts D. About 7 bolts
Factor the polynomial completely.108a4 - 147b2
A. 3(6a2 - 7b)2 B. 3(6a2 + 7b)2 C. 3(6a2 + 7b)(6a2 - 7b) D. (18a2 + 21b)(6a2 - 7b)