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 ?
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