Question

6 questions. let z1 = 2(cos(120°) + isin(120°)), z 2 = 4(cos(35°) + isin(35°)), z 3 = 5(cos(90°) + isin(90°)). Calculate the following keeping your answer in polar form

Answer 1

1. z1 + z2
2. z3 – z2 Answer:
3. z2z3 Answer:
4. z3 (straight line above)
5. z1/z3
6. z1/(z2z3) (use answer for 3.)

Answer 2

@ganeshie8 could you help?

Answer 3

Wrong group, please ask your question here:
http://openstudy.com/study#/groups/mathematics