Question

a tower stands vertically on the ground from a point on the ground which is 30m away from the foot of the tower the angle of elevation of the top of the tower is 45 then find the height of tower

2nd year maths guide

toll tax in expence lager entery 

Discuss the graph of 3x^2+2√3xy+y^2-8x+8√3y=0

find the acute angle which the line with direction cosines 1 upon root 3 1 upon root 3 and n makes with positive direction of y axis

Formule of app of derivatives