Dividing two trig functions using identities

The video tutorial explores the relationships between trigonometric functions, focusing on sine and cosine. It explains the concept of even functions using secant and demonstrates how to solve problems by rewriting them in terms of cosine. The tutorial emphasizes recognizing patterns in trigonometric problems and provides strategies for simplifying expressions.

What is the relationship between sine and cosine as discussed in the text?

Explain why secant is considered an even function.

How can the expression be rewritten in terms of cosines?

What patterns should students look for when solving these types of problems?

Describe the process of eliminating the tangent in the given context.