Recently Asked Questions

• Trigo prob
  If cos (θ – α), cos θ, cos(θ + α) are in HP, then cos θ sec (α/2)is equal to (a) -1 (b) − 2 (c) 2 (d) 2 ...
  0·5· #Mathematics#Trignometry
  asked2010-09-20 22:48:29
• Innovative problem
  A boy throws a ball at an angle 450 with the horizontal at t = 0 at origin. Path of the ball follows the trajectory y = x – 5x2. The boy start running with a constant velocity 1 m/s along x-axis at t = 0. Take g = 10 m/s2. ...
  0·11· #Physics#Mechanics
  asked2010-09-20 01:42:58