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