Question

Find the angle between A and B vector .

A = 4i^ and B = (-3 i^ + 3 j^ )


need step .


ans= 135 °

Answer 1

Hope this helps you ☺☺

Answer 2

vector A=4i^
B=(-3i^+3j^)
now angle is cos theta=(A.B)/|A|×|B|
=(-12)/4×3root2=-1/root2=cos 135°
hence angle is 135°