Calculate the derivative of the following function: f(x)=cos(3x))^2

The answer can be found by using the chain rule and simple substitution as well as basic knowledge of differentiation.f’(x)= -6cos(3x)sin(3x)

JM

Related Maths A Level answers

All answers ▸

The curve C has equation x^2 + 2xy + 3y^2 = 4. Find dy/dx.


Differentiate and find the stationary point of the equation y = 7x^2 - 2x - 1.


Given that (2x + 11 )/(2x + 1)(x + 3) ≡ A /(2x + 1) + B /(x + 3) , find the values of the constants A and B. Hence show that the integral from 0 to 2 (2x + 11)/ (2x + 1)(x + 3) dx = ln 15.


Find the derivative of x(x+3)^5