Consider the equation 3 sin (x + y) + 2 sin (x + z) + 4 sin (y + z) = 0. Find the values of the point (4,3,2л). dz dz and at ах ду dz The value of at the point (4л,3л,2л) is Οχ (Simplify your answer. Type an exact answer, using radicals as needed.)