7) 20 pts. The left- and right-handed derivation of a function fx) are given by LHD f(x) RHD f(x + h)-f(x) f'(x) = h0 Using functions and calling a function as an argument to another function, evaluate LHD and RHD for f(x) cos x. Use h 10-1 and 10-9 in inverse power of 10