What is the value of \(\mathop \smallint \nolimits_{ - {\rm{\pi }}/4}^{{\rm{\pi }}/4} \left( {\sin {\rm{x}} - \tan {\rm{x}}} \right){\rm{dx}}?\)
1
\(- \frac{1}{{\sqrt 2 }} + \ln \left( {\frac{2}{{\sqrt 2 }}} \right)\)
2
\(\frac{1}{{\sqrt 2 }}\)
3
0
4
√2