Find all cube roots of the complex number. Leave answers in trigonometric form.-125
A. 5 cis 180°, 5 cis 0°
B. 5 cis 60°, 5 cis 180°, 5 cis 300°
C. 5 cis 120°, 5 cis 180°, 5 cis 300°
D. 5 cis 30°, 5 cis 150°, 5 cis 270°
Answer: B
Mathematics
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Find the rectangular equation of the given polar equation.r = 2(sin ? - cos ?)
A. 2x2 + 2y2 + x - y = 0 B. 2x2 + 2y2 - x + y = 0 C. x2 + y2 + 2x - 2y = 0 D. x2 + y2 - 2x + 2y = 0
Mathematics
Write as an equivalent addition statement. (Do not evaluate.)-16 - (-13)
A. 16 + (-13) B. 16 + 13 C. -16 + 13 D. -16 + (-13)
Mathematics
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Use analytical methods to solve the equation.1 + 
= 
A. 5, 6
B. -5, 6
C. - 
, 
D. -6, 5
Mathematics