Ex 3.2, 6 - Simplify cos [ cos sin -sin cos] - Class 12 Matrices $ 14.00 · 4.7 (140) · In stock 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