USE MATLAB FOR THIS AND PLEASE SHOW CODE, REALLY NEED HELP LEARNING MATLAB

6) Give exact ways of avoiding catastrophic cancellation errors in the following computations; a) In(x + 1) In(x) for large x b) 1 COS X for x = 0 c) V1 + x - 1 for x +0 d) sin(x) sin(y) for x + y (Note: I only found a semi-solution to this one perhaps you can do better?) a