Answer and Explanation:1 Our objective is to find the last term to make the trinomial into a perfect square:x2−5x+___=0 The square of a difference may be written... Learn more about this topic: Sum of Squares | Formula & Examples ...
I recommend getting started by typing this into Wolfram Alpha. The first step converts cosine squared into (one minus sine square). The next step is likely distribution and then splitting the integral. Best, Will A. Upvote • 0 Downvote Add comment Still looking for help? Get the right...