Provide an appropriate response.Find all complex cube roots of z = 8(cos 120° + i sin 120°). Write each root in standard polar form with the argument in degrees.
A. 2(cos 40° + i sin 40°), 2(cos160° + i sin 160°), 2(cos 280° + i sin 280°)
B. -2(cos 40° + i sin 40°), 2(cos 80° + i sin 80°), -2(cos 120° + i sin 120°)
C. 2(cos 40° + i sin 40°), 2(cos 80° + i sin 80°), 2(cos 120° + i sin 120°)
D. -2(cos 40° + i sin 40°), 2(cos 160° + i sin 160°), -2(cos 280° + i sin 280°)
Answer: A
You might also like to view...
Write the first four terms of the geometric sequence with the given values.a1 = , r =
A. ,
,
,
B. ,
,
,
C. ,
,
,
D. ,
,
,
Solve the equation.7 + 3p = 4p
A. {0} B. {-7} C. {7} D. {3}
Write standard notation for the number in the sentence.The volume of water in the lake is seven billion, eight hundred twenty-one million, ninety-four thousand, six hundred thirteen gallons.
A. 7,821,094,613 B. 782,194,613 C. 7,821,940,613 D. 7,000,821,094,613
Find the whole.69 hotels is 115% of what number of hotels?
A. 132.25 B. 60 C. 13,225 D. 600