Visualising the Gradients of sin, cos and tan

This page displays the graphs of sin(x), cos(x) and tan(x) alongside their gradients (derivatives).

Remember: The derivative of sin(x) is cos(x); that of cos(x) is –sin(x); and that of tan(x) is sec²(x) = 1⁄cos²(x).

sin(x) and its Gradient cos(x)

cos(x) and its Gradient –sin(x)

tan(x) and its Gradient sec²(x)