- #1
HeroicEdge
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Homework Statement
Two vectors are given by a = 2.3 x - 9.7 y and b = -18.6 x + 2.8 y. What is the magnitude of a?
What is the angle between vector b and the positive x-axis?
What is the magnitude of the vector a + b?
Homework Equations
I don't know
The Attempt at a Solution
None. I don't need the answer I just need to know like the steps to do it. I missed a class and don't have a book so I don't know how to do this >.< Any help is appreciated.