Explore essential Trigonometry concepts in this 23-minute video tutorial. Begin with the Pythagorean Theorem, then delve into trigonometric ratios including sine, cosine, and tangent. Learn to find missing sides of triangles using special right triangles, and master simplifying expressions through rationalizing denominators. Gain a solid foundation for Pre-calculus Trigonometry with clear explanations and practical applications designed to help students who struggle with math.