Pre-Calculus - Simplifying a trigonometric expression with only two functions,tan(x)*cos(x)

The video tutorial focuses on simplifying trigonometric expressions by understanding the problem and using trigonometric identities. It emphasizes the importance of choosing the right identities for effective simplification and highlights the role of practice in mastering shortcuts and problem-solving techniques.

Describe the process of converting tangent to sine and cosine as outlined in the text.

What is the importance of practice in solving trigonometric problems according to the speaker?