Solve the equation. Write the answer in a + bi form.x3 + 8i = 0
A. 2i, - 
+ i, 
+ i
B. -2i, 
+ i, - 
+ i
C. -2i, - 
- i, - 
+ i
D. 2i, - 
- i, 
- i
Answer: D
Mathematics
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Convert the angle to decimal degrees and round to the nearest hundredth of a degree.15°58'3"
A. 16.03° B. 15.98° C. 15.97° D. 15.93°
Mathematics
Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 38°, find the length of OV accurate to four decimal places. 
A. 1.6243 B. 0.7880 C. 0.6157 D. 1.2690
Mathematics
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.sin3 x
A. 
sin x + 
sin 2x - 
sin 3x
B. 
sin x
C. 
sin x - 
sin 3x
D. 
sin x + 
sin 2x
Mathematics
Find the sum and simplify the answer.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics