a ring 10cm in diameter is suspended from a point 12 cm above its centre by 6 equal strings attached to its circumference at equal intervals .find the cosine of angle between two consecutive strings
7 Feb 2017
Q a ring 10cm in diameter is suspended from a point 12 cm above its centre by 6 equal strings attached to its circumference at equal intervals .find the cosine of angle between two consecutive strings ?
solution :-
solution :-