Introduction to cosine of triple angle formula in trigonometric mathematics and learn the proof in geometrical method for beginners and also mathematical verification of the cos triple angle identity.

Introduction to sine of triple angle formula and proof in geometrical method to expand trigonometric expressions like sin3x, sin3A, sin3α and etc and also verifying the identity in trigonometric mathematics.

Introduction to cosine of double angle rule and geometrical method to derive the expansion of cos of double angle in terms of cos and sin of angle along with verifying the formula.

Introduction to sine of double angle rule for beginners and learn how to derive the formula in geometrical approach and example to learn verification of the formula.

Introduction to derivative of inverse cosine function with respect to x and step by step proof to derive a formula for differentiation of arccosine function.

Introduction to inverse cosine function and mathematical representation of inverse cosine function in mathematics. Also, an example to understand the functionality.

Mathematics Problems for learners and practitioners

Solutions of maths questions in various methods with answers for learning and practising.