Suppose that we are asked to evaluate the following indefini…

Suppose that we are asked to evaluate the following indefinite integral:  .   If we set and , then what is an expression for I as a function of only u and v (NOT x)?  Hints: Recall the list of trig identities you memorized and try to apply more than one of them if you need to use more than one.  We have the following identity for all real x:   .