Question

Найдите производную функции
ctgx-sinx

Answer 1

$\frac{d}{dx}\left(\cot \left(x\right)-\sin \left(x\right)\right)=\\\\=\frac{d}{dx}\left(\cot \left(x\right)\right)-\frac{d}{dx}\left(\sin \left(x\right)\right)=\\\\=-\csc ^2\left(x\right)-\cos \left(x\right)$