Question

2. The angle that the vector A = 2î +3j makes with
y-axis is :
(1) tan-? (3/2)
(2) tan-1 (2/3)
(3) sin- (2/3)
(4) cos? (3/2)​

Answer 1

Answer:

cos 3/2 because formula of finding angle is cosQ=A.B

_________

AB