If y = sin x & x = 3t then dy/dt will be;

The graph for the equation y = 4 is;

Value of tan(15°) = .....

Find dimensional formula of surface tension ‘S’. Use S = F/l, where F is force and l is the length.

The roots of equation 2x^2 + 5x - 12 = 0 are;

A physical quantity P is given by the relation P = P_0e^{-αt^2}. If t denotes the time, the dimensio