Cylindrical pillar is 50 cm in diameter and 3.5 minute find the cost of painting the car surface of the pillar @ rupees 12 point 15 m square
In Δ ABC right angled at A sin B = 3/4 prove that sec B + tan B = root 11 by 5
In Δ ABC right angled at A sin B = 3/4 prove that sec B + tan B = root 11 by 5