Two Ways to Give a Direction

Problem: \(F_1 = 2\,\text{kN}\) has \(\theta = 120^\circ\) in the \(xy\) plane and \(\phi = 60^\circ\) from \(+z\). \(F_2 = 3\,\text{kN}\) has \(\theta_x = 120^\circ\), \(\theta_y = 60^\circ\), \(\theta_z = 45^\circ\). Find the resultant.