Write the expression as a single trigonometric function

The video tutorial covers the use of three identities: sine, cosine, and tangent, focusing on the cosine formula for sum and difference. It explains how to apply the subtraction formula, using angles as examples, and emphasizes the importance of getting common denominators. The tutorial concludes with a clarification of the final answer and a review of the cosine formula.

What are the three identities mentioned for the sum and difference?

Explain the process of finding the cosine of the difference of two angles.

What is the significance of getting common denominators when subtracting angles?

What is the final answer choice derived from the subtraction of π/4 and π/3?

Describe the formula for cosine of U minus V.