Recent content by Rail24

You got 77 degrees correct? I just subtracted from 180 because the angle I assume is tail to tail. I also tried 77 degrees (or rather 76.9 degrees) and it's also not the answer.

Homework Statement Vectors A and B have equal magnitudes of 5.12. If the sum of A and B is the vector 6.37j, determine the angle between A and B. Homework Equations Cosine law? The Attempt at a Solution I attempted to do this using the cosine law which I thought made sense but...