Part 1 of 6 HW Score: 30.43%, 7 of 23 points O Points: 0 of 1 Find the derivative of the inverse cosine using the theorem of the derivative of the inverse function. The theorem states, let f be differentiable and have an inverse a point of I at which f'(x) *0, then f" is differentiable at yo = f(x) and (" ")" (yo) = (x)" = Let yo cos xo. Using the given formula, what is the resulting equation? -1 OA. (cos yo)= -1 =- sin Xo 1 = OB. (cosxo) sin xo Oc. (cos yo)'= -1 1. Yo COS 1 sin Xo 1 sin xo