if the magnitude of the vector is 5, and the angle is 30 degrees, what are the components?

The "x" component is given by r cos θ, and the "y" component is given by r sin θ

So x = 5 cos 30°  = 5 (√(3)/2) = 5√(3)/2

And y =5 sin 30°  = 5 (1/2) = 5/2