Linear and quadratic approximationa. Find the linear approximating polynomial for the following functions centered at the given point a.b. Find the quadratic approximating polynomial for the following functions centered at the given point a.c. Use the polynomials obtained in parts (a) and (b) to approximate the given quantity.f(x)= cos x, a = ?/4; approximate cos (0.24?).

Solution 10EStep 1:We need to find the linear and quadratic approximating polynomial for The linear approximation for at is given by The Quadratic Approximation for a function y = f(x) based at a point a is given by