- #1

- 420

- 0

costheta = (x dot y)/((magnitude of x)(magnitude of y)

I tried using the cauchy schwarts inequality and i got the angle to be between pi/3 and 5pi/3 in R^2. Im not sure how to do R^3 or how to find the values for v2 dot v3? Im assuming that v2 dot v3 must be less then 1