How to simplify a trigonometric expression using even/odd identities

The video tutorial explains basic trigonometric identities, focusing on the sine and cosine of negative angles. It demonstrates how to simplify trigonometric expressions by converting them into tangent functions. The tutorial emphasizes the importance of understanding and applying these identities to solve problems. Additionally, it touches on the properties of odd and even functions, providing a foundation for further exploration of trigonometric concepts.

How can the identity for cosine of negative X be expressed in terms of cosine of X?

Explain how the tangent function can be derived from sine and cosine.

What is the relationship between the sine of negative X and sine of X?

Discuss the importance of knowing your trig identities when simplifying expressions.

What does it mean for a function to be odd in the context of trigonometric identities?