Please solve the equation in details and with explanation

1. Given the Taylor series expansion of cosh(h) up to an error of order o(h) and sinh(h) up to an error of order (h") determine the order of approximation a) For their difference b) For their product c) For their division 1. Given the Taylor series expansion of cosh(h) up to an error of order o(h) and sinh(h) up to an error of order (h") determine the order of approximation a) For their difference b) For their product c) For their division