Posted: February 4th, 2016

.Find the quotient and leave the result in a +bi form. 15(cos 240° + i sin 240°) / 3(cos 30° +i sin 30°)

1. Express V in v1i and v2i form with the given magnitude and direction. Direction = 27° |v| = 2

2. Use DeMoivre’s Theorem and leave the answer in a+ bi form. (2-2i)^5

3. Find the indicated roots. Cube roots of -8i

4.Find the quotient and leave the result in a +bi form. 15(cos 240° + i sin 240°) / 3(cos 30° +i sin 30°)

5. Find the angle between the given vectors, to the nearest tenth of a degree. u=5i + 6j, v = 3i -2j

6. Find a*b a = 6i + 9j, b = 4i + 3j