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...
VOLUME OF THE SPHERE:- If, the radius of a sphere=r Then, VOLUME OF THE SPHERE=(4/3)πr3 Ex;- If,radius of a sphere=r=21cm VOLUME OF OF SPHERE=(4/3)πr3 ...