If [math]f(x) = \mathrm{cot}^{-1} (\tan(x)+\sin(x))[/math], what is the derivative of [math]f[/math]?
What is the derivative of [math] f(x)=\dfrac{1}{\sqrt{x+2}} [/math]?
אם [math]f(x) = \mathrm{cot}^{-1} (\tan(x)+\sin(x))[/math], מהי הנגזרת של [math]f[/math] ?
מהי הנגזרת של [math] f(x)=\dfrac{1}{\sqrt{x+2}} [/math]?