Problem 1. Calculate the following limits. 1. lim cos(econ (sin(z)) cos(z) ) 2. lim 2(log(z))2 + 3 log(r) + 4 3-10+ 5 log(x) - 6(log(z) )? 3. lim e * cos (3.x) + 4 sin (20212) lim 2022r Problem 2. Let f(x) = 23 + 23 + z+ 1. In this question, any derivatives that you use must be calculated