- #1
hazellaw
- 2
- 0
how to find two vectors that make an angle of 60O with v=<3,4>??
can i let b=<x,y>, then
cos60=(3x+4y)/5sqrt(x2+y2)
5sqrt(x2+y2)=3x+4y
can i let b=<x,y>, then
cos60=(3x+4y)/5sqrt(x2+y2)
5sqrt(x2+y2)=3x+4y