Use De Moivre's Theorem to find the indicated power of the complex number. Write your answer in standard form a + bi.(3(cos ?/2 + i sin ?/2))3
A. -9i
B. 27i
C. -27i
D. 0
Answer: C
Mathematics
You might also like to view...
Solve the problem.Find the measure of the indicated exterior angle.
?x = (200 - 4n)°, ?y = (5n + 51)°, ?z = (n + 9)°
A. 124° B. 126° C. 149° D. 144°
Mathematics
Solve.3x2/3 + 2x1/3 - 16 = 0
A. - 
B. 8, 
C. 8
D. 8, - 
Mathematics
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.-5x-9
A. Monomial; variable x; coefficient 9; degree -5 B. Monomial; variable x; coefficient -5; degree 9 C. Monomial; variable x; coefficient -5; degree -9 D. Not a monomial
Mathematics
Solve the equation on the interval 0 ? ? < 2?.cos2 ? - 1 = 0
A. 
B. {0}
C. {0, ?}
D. 
Mathematics