SymPy Gamma

SymPy:

diff ((sin (x)*x**2)/(1+tan (cot (x))))

$\frac{d}{d x} \frac{x^{2} \sin{\left(x \right)}}{\tan{\left(\cot{\left(x \right)} \right)} + 1}$

diff(x**2*sin(x)/(tan(cot(x)) + 1), x)

$\frac{d}{d x} \frac{x^{2} \sin{\left(x \right)}}{\tan{\left(\cot{\left(x \right)} \right)} + 1} =$

diff(x**2*sin(x)/(tan(cot(x)) + 1), x)

Plot:

Roots:

solve(x**2*sin(x)/(tan(cot(x)) + 1), x)

$x =$

series(x**2*sin(x)/(tan(cot(x)) + 1), x, 0, 10)

See what Wolfram|Alpha has to say.

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