please help solve this question

Problem #10: An object's position at time t is given by the vector function [6 marks] I'(t) = (cost)i + (4 sin-t + 31)j + (cost)k Compute: (a) The tangential acceleration ar when t = 0. (b) The normal acceleration ay when t = 0. (c) The curvature * when t = 0. Enter your answer symbolically, Problem #10(a): as in these examples Problem #10(b): Enter your answer symbolically, as in these examples Enter your answer symbolically, Problem #10(c): as in these examples