find the co ordinates of foot of perpendicular drawn from the origin to plane 2x-3y+4z=6
Prove geometrical in that cos a + b is equal to Cos A into cos B minus sin a into Sin B sin find
cos 75 degree
write the equivalence relation on {1,2,3,4,5} that is induced by the partition with {1,5} ,{2,4} ,{3} as its partitioning subsets