Write the number in trigonometric form. Let 0° ? ? < 360°.-4 - 4i
A. 8(cos 290° + i sin 290°)
B. 8(cos 240° + i sin 240°)
C. 4(cos 240° + i sin 240°)
D. 8(cos 180° + i sin 180°)
Answer: B
Mathematics
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Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 
tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Graph the function.y = 
- 1
A. 
B. 
C. 
D. 
Mathematics
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.b = 5, c = 8, B = 65°
A. one triangle C = 32°, A = 83°, a = 15 B. one triangle C = 34°, A = 81°, a = 17 C. one triangle B = 33°, A = 82°, a = 13 D. no triangle
Mathematics
Find the inverse of the function.f(x) = 
- 4
A. f-1(x) = 4(x + 4)3 B. f-1(x) = 12(x + 4) C. f-1(x) = [4(x + 4)]3 D. f-1(x) = 4(x3 + 4)
Mathematics