Let l be the tangent line to the parabola y = 3x at the point (1, 3). The angle of inclination of l is the

Let l be the tangent line to the parabola y = 3x² at the point (1, 3). The angle of inclination of l is the angle that makes with the positive direction of the x-axis.Find y'.y' =Find the slope m of the tangent line at the point (1, 3).M =Calculate to the nearest degree.