10. Find the Taylor series of the function about the point r = a and the radius of convergence. If possible, starting with a known series is often more efficient than using Taylor's formula. a) sin(2xx), a=0 d) vr, a=7 b) coshr, a =0 e) x3 cos VI, a = 0 c) 47, a=1 f) e-z /2, a= 0