Which of these is a unit vector that makes an angle of 60∘ with the positive direction of x axis ?
X component - 1 cos 60∘=1×12=12
Y component - 1 sin 60∘=1×√32=√32
The vector becomes 12^i+√32^j
Write down a unit vector In XY-Plane, Making an angle of 30 degrees with the positive direction of x-Axis.