Could you help me with this question please? Thank you

In Exercises 29-36, let g1 (t) = sint, g2(t) = cost, ga(t) = 1 - t, X+y fi (x, y) = x- + y-, f2(x,1) = = 1 fa (x, y, 2) = r1 (t) = (1 + t, t - 1), 12(1) = (t, 12, +3 ). Either simplify the specified composition or explain why the composition cannot be formed. 29. filgi (t), gz (t) ) 30. gi(fi (x, y). f2(x, v)) 31. g1(gz(t) ) 32. fi(r, (1) 63. fa( gz(t), g : (1), g .(t)) 34. fi( fz ( x, 1/ ), fs (x. y.=))