Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270°
B. 5 cis 60°, 5 cis 180°, 5 cis 300°
C. 1, -1, -i
D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Answer: A
Mathematics
You might also like to view...
Solve the inequality. Graph the solution set and write the solution set in set-builder notation.x2 - 3x - 4 ? 0
A. {x
B. {x
C. {x
D. {x
Mathematics
Use reference angles to find the exact value of the expression. Do not use a calculator.tan
A. -
B.
C.
D.
Mathematics
Solve the problem.What angle is twice its complement?
A. 60° B. 45° C. 30° D. 90°
Mathematics
Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.20x2 + 16x - 4
A. (5x - 1)(4x + 4) B. (5x + 1)(4x - 4) C. (4x - 1)(5x + 4) D. (x - 1)(20x + 4)
Mathematics