Find the exact trigonometric function value.tan 1230°
A. - 
B. 1
C. 
D. - 
Answer: D
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Find the quotient 
of the complex numbers. Leave answer in polar form.z1 = 5(cos 200° + i sin 200°)z2 = 4(cos 50° + i sin 50°)
A. 
(cos 250° + i sin 250°)
B. 
(cos 150° - i sin 150°)
C. 
(sin 150° + i cos 150°)
D. 
(cos 150° + i sin 150°)
Solve the problem. Round to the nearest hundredth if necessary.A cubical container measures 8 in. on each edge. What does it cost to fill the container at $2.27 per cubic in.?
A. $54.48 B. $145.28 C. $1162.24 D. $659.57
Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 + 18x - 8y + 97 = 16
A. (h, k) = (-4, 9); r = 16 B. (h, k) = (9, -4); r = 16 C. (h, k) = (4, -9); r = 4 D. (h, k) = (-9, 4); r = 4
Solve.The length and width of a rectangle have a sum of 86. What dimensions give the maximum area?
A. Length 42 and width 44 B. Length 34 and width 52 C. Length 33 and width 53 D. Length 43 and width 43