Home sin cos Ex 3.2, 6 - Simplify cos [ cos sin -sin cos] - Class 12 Matrices $ 20.99 4.9 (217) In stock Description Ex 3.2, 6 - Simplify cos [ cos sin -sin cos] - Class 12 MatricesEx 3.2, 6 - Simplify cos [ cos sin -sin cos] - Class 12 Matrices