Back to 10.8 Vectors

10.8 Exercise 139

Avg difficulty 2.5

Find the powers of each complex number in polar form.

Find $z^{2}$ when $z = 5 cis \left(\frac{3 \pi}{4}\right)$

OpenStax Algebra and Trigonometry 2e, 10.8 Vectors, exercise 139

AI Tutor

Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.