11th Math 1 | Trigonometry – 1 | Imp Formulas
11th Math 1 | Trigonometry – 1 | Imp Formulas Trigonometry is a branch of Mathematics thatdeals with the relation between sides and angles of triangles. The word ‘trigonometry’ is derived from the Greek words ‘trigonon’ and ‘metron’. It means measuring the sides of triangles. Greek Mathematicians used trigonometric ratios to determine unknown distances. The…