Using the method of differentiation deduce the formula of :
`sin2x` starting from the formula of `cot2x` .

Using the method of differentiation deduce the formula of : sin(x+alpha) starting from the formula of cos(x+alpha)

Using the method of differentiation deduce the formula of : cos(x+a) starting from the formula of sin(x+alpha)

Using the method of differentiation deduce the formula of cos2x starting the formula of tan2x.

Differentiate x cot^(2)x

Using the formula : W=np+(1)/(2)NX^(2) , frame a formula for X.

From the formula of sin (A + B), deduce the formulae of cos(A + B) and cos (A-B).

Solve the equation x^(2) - 5x+ 3 =0 by using the formula .

Solve the following differential equation (dy)/(dx)+y cot x=sin2x

Differentiate : sin2x w.r.t x^2

Differentiate Sin^(2)x with respect to x using first principle method.