This transcript covers fundamental concepts of trigonometry, focusing on the relationships between sides and angles in right-angled triangles. It introduces trigonometric ratios and provides examples of solving problems using these ratios.

**How to solve trigonometry problems step by step for beginners**: The transcript outlines the basic principles of trigonometry, including the identification of sides in a right-angled triangle and the use of sine, cosine, and tangent ratios. It provides a step-by-step approach to solving trigonometric problems, making it easier for beginners to understand and apply these concepts.

Key points:

- Identification of sides in a right-angled triangle (opposite, adjacent, hypotenuse)
- Introduction to trigonometric ratios (sine, cosine, tangent)
- Examples of problem-solving using trigonometric ratios
- Common angle values for trigonometric functions

Highlight: The transcript emphasizes the importance of understanding the relationships between sides and angles in right-angled triangles as a foundation for solving trigonometric problems.

Vocabulary: Key terms introduced include hypotenuse, opposite, adjacent, sine, cosine, and tangent.

Example: The transcript provides several examples of solving trigonometric problems, including finding missing sides and angles in right-angled triangles.