Moivre 2

Find the cube roots of 125(cos 288° + i sin 288°).

Correct answer:

r =  5
α1 =  96 °
α2 =  216 °
α3 =  336 °

Step-by-step explanation:

r=3125=5
α1=288/3+0 360/3=96
α2=288/3+1 360/3=216
α3=288/3+2360/3=336 z1=5(cos96+isin96) z2=5(cos216+isin216) z3=5(cos336+isin336)



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Try our complex numbers calculator.
The Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: