Question:

A. Prove that the following equation is correct. The equation is

B. Provide reasons (identities, operations, definitions, etc.) for each step in the proof.

C. Write a short summary (1–2 paragraphs) of the solution. Include at least one example of each of the following elements:

1. Ideas or strategies used to prove the identity

2. Difficulties encountered and how those difficulties were overcome

3. Other aspects of the problem that were relevant to your solution

D. If you choose to use outside sources, include all in-text citations and references in APA format.