Question

Derivative of trigonometric functions
y=cot x - tan x

Answer 1

http://openstudy.com/study#/updates/55132771e4b0f26e1c1adaf5 Why did you leave the page?

Answer 2

\[\frac{d}{dx} (\cot x)=\frac{d}{dx} \left(\frac{\cos x}{\sin x}\right)=\frac{(\cos x)'(\sin x)-(\sin x)'(\cos x)}{\sin^2x}=?\]

Answer 3

compute the tan(x) similarly, and then write the derivative (denoting the derivative of y as either dy/dx, f'(x) y' or i don't case how).