Find all cube roots of the complex number. Leave answers in trigonometric form.-8
A. 2 cis 60°, 2 cis 180°, 2 cis 300°
B. 2 cis 120°, 2 cis 180°, 2 cis 300°
C. 2 cis 180°, 2 cis 0°
D. 2 cis 30°, 2 cis 150°, 2 cis 270°
Answer: A
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.4169 B. 0.46 C. 0.4481 D. 0.865
Mathematics
Express the function as a trigonometric function of x.sin 3x
A. 3 sin x - 4 sin3x B. 4 sin x cos3x - 4 sin3x cos x C. cos3x - 3 sin2x cos x D. 1 - 8 sin2x cos2x
Mathematics
Find the sum of the series, if possible.
A. 
B. 
C. Not possible, infinite
D. - 
Mathematics
Determine whether x + 1 is a factor of x³ + 4x² + 4x + 1 without dividing or using synthetic division.
A) Yes B) No
Mathematics