Some very useful Trigonometry formulas and Identities with proof are given here. Here we would also discuss some of the very important practical applications of these formulas in real life…

The LCM and HCF concepts are very useful in solving problems involving fractions, simplifying algebraic expressions, and finding solutions to equations. Some questions based on LCM and HCF concepts are…

Concepts of Inradius and Circumradius of a triangle (Right angle). Here is the formula for the length of the Inradius and Circumradius of a Right angle triangle, with proof. Inradius…

Here is the Proof of Routh’s Theorem to find the area of the triangle formed by pairwise intersections of three Cevians of the triangle. Find the ratio of the Areas…