oz OZ Consider the equation 3 sin (x + y) + 3 sin (x + z) + 2 sin (y + z) =0. Find the values of - and ay - at the point ( - It, 4nt, - 3it). ..... Oz OX ( - 1, 41, - 3x) (Simplify your answer. Type an exact answer, using radicals as needed.) OZ dy ( - 1,4x, - 3TC) (Simplify your answer. Type an exact answer, using radicals as needed.)