Recently Asked Questions

• Inverse trigonometric function?
  If Σ (i = 1 to n) cos -1xi = 0 , then Σ(i=1 to n) xi is equal to? (a)n (b)-n (c)0 (d) none of these ...
  0·2· #Mathematics#Trignometry
  asked2011-10-12 22:50:26
• Motion of rigid bodies question?????
  A thin rod is held resting on the ground with its length inclined at an angle φ to the horizontal.The coefficient of friction between rod and ground is K.Show that when the rod is let go it will start slipping on the ground ...
  0·2· #Physics#Mechanics
  asked2011-10-12 10:42:21