Posted inAdvanced Math Geometry Find the direction cosines of the sides of the triangle whose vertices are Posted by By SK Math Expert December 15, 2021Posted inAdvanced Math, Geometry Question : Find the direction cosines of the sides of the triangle whose vertices are (3, 5, – 4), (– 1, 1, 2) and (– 5, – 5, – 2). Solution : We know if direction ratios of a line… This Question has been answered. Please Login or Register to See The Answer Post navigation Previous Post how to Show that the (2, 3, 4), (– 1, – 2, 1), (5, 8, 7) are collinear pointsNext Posthow to Apply power series method to solve y’’-xy=x