use the dot product
a•b = |a| |b|cos Ø
cosØ = (-4√7 + 9)/(20)
Ø = 94.5º
Find the angle between the vectors. (Round your answer to the nearest degree.)
a = ‹-4, 3›
b = ‹√7, 3›
1 answer
a = ‹-4, 3›
b = ‹√7, 3›
1 answer