Answers

2014-02-25T19:21:37+05:30
Lets say find the angle between two unit vectors a and b

so the angle = atan2(norm(cross(a,b)),dot(a,b))
0
but the cross product and dot will require some angle!
atan2 is a built in function in programming...but is cross(a,b) or dot(a,b)?
this time parameter is required