Class 11 Maths Trigonometric Functions L13

Believe you can and you’re halfway there. – Theodore Roosevelt

Lecture - 13 Chapter 3 Trigonometric Functions

Purpose for Law of Sines and Law of cosines

Derivation of Law of sines for Acute angles

Derivation of Law of sines for Obtuse angles

Derivation of Law of cosines for Acute angles

Derivation of Law of cosines for Obtuse angles

Derivation of Law of sines and Law of cosines for right angle