List of recently published mathematics tutorials.
Geometry proof of cosine of double angle formula to expand cos double angle functions such as cos(2x), cos(2A), cos(2θ) or any cos function which contains double angle.
Introduction to cos double angle formula and learn how to write it mathematical form in various forms and also proof to learn how to derive cos double angle identity mathematically.
Learn the geometric and trigonometric proofs to prove the exact value of tan 45 degrees is one in mathematics.
Learn how to derive the sin double angle identity to expand sin double angle functions such as sin(2x) or sin(2A) or sin(2θ) or any other sin double angle function in terms of angle.
Introduction to tan 45 degrees and learn the value of tan 45 degrees and also geometric proof to prove the value of tan 45 degrees is one.
Learn how to prove cos of angle 45 degrees is equal to 1 is divided by 2 in trigonometry mathematics in both trigonometric and geometric methods.
Learn how to solve maths problems easily for learners and practitioners.
Learn how to solve easy to difficult mathematics problems of all topics in various methods with step by step process and also maths questions for practising.