The branch called “Trigonometry” basically deals with the study of the relationship between the sides and angles of the right-angle triangle. Hence, it helps to find the missing or unknown angles or sides of a right triangle using the trigonometric formulas, functions or trigonometric identities. In this session, we'll learn about: Introduction to Trigonometry. Simple conversion of angles from degrees to radians and radians to degrees. Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, Cotangent We'll tackle also the Fundamental Trigonometric Identities such the Pythagorean Identities, Reciprocal Identities, and Ratio Identities.