Найдите производную функции \(f(x)=4tgx-2ctgx+2x\) .
\(f'(x)=\frac{4}{cos^2x}+\frac{2}{sin^2x}+2\)
\(f'(x)=\frac{4}{cos^2x}-\frac{2}{sin^2x}+2\)
\(f'(x)=\frac{4}{cos^2x}+\frac{2}{sin^2x}+2x\)
\(f'(x)=\frac{1}{cos^2x}+\frac{1}{sin^2x}+2\)