For a right angled triangle, with one angle θ (which is not the right angle), the trigonometric ratios are defined as follows: sin θ = Perpendicular / Hypotenuse (corresponding to the angle...
In my opinion, most of the students would have done great in maths in childhood (say 1st to 4th STD), not because they were studying well, it might be because the concepts were easy. But what happens...