Charge 1 of +3 micro-coulombs is placed at the origin, charge 2 of +18 micro-coulombs is placed at x = +0.29 m, y = -0.47 m, charge 3 of -7 micro-coulombs is placed at x = -0.72 m, y = 0 m. Measured counter-clockwise in degrees, what is the angle of the total electric force vector on charge 1?