Question

A particle starting from the origin (0,0) moves in a straight line in the (X, y) plane. It's coordinates at a later time area (3,root3).The path of the particle makes with the X axis an angle of

Answer 1

tan( theta)=
$\sqrt{3} \div 3$
=1/root 3
theta= 30 degree...

Answer 2

it's answer is 60 degree