Record your answers on the right of this cover page by marking the box correspond- ing to the correct answer: free response questions: Show all your work on the page of the prob- lem. Clearly indicate your answer and the reasoning used to arrive at that answer. Unsupported answers for the free response questions may not receive credit! Record the correct answer to the following problems on the front page of this exam: which trigonometric substitution is needed to evaluate the integral z. 3 tan : which of the following is the correct form for the partial fraction decomposition of. Ax + b (x 2)(x + 2) Record the correct answer to the following problems on the front page of this exam: which of the following integrals represents the arclength of the curve y = ln(sin x) over the interval [ .