Question

Find the angle between two vector 'a' and vector 'b' with magnitude √3 and 2 respectively having vector 'a'. Vector 'b'= √6

Answer 1

If α is the angle between the vectors, then

cos α = a.b / |a| |b| = √6 / (√3 x 2) = √2 / 2 = 1/√2 

So, α = 45°