Q13 explain your answer, use good hand writing please

Question list K Find the exact value, if any, of the following composite function. Do not use a calculator. cos - 1 cos 10 O Question 7 O Question 8 Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. cos - 1 cos O Question 9 (Simplify your answer. Type an exact answer, using it as needed. Use integers or fractions for any numbers in the expression.) O B. It is not defined. O Question 10 Question 11 O Question 12 Question 13 Question 14