Simplify exactly:

 tan(356)tan(71)1+tan(356)tan(71)=tan(\displaystyle \frac{{{\tan{{\left({356}^{\circ}\right)}}}-{\tan{{\left({71}^{\circ}\right)}}}}}{{{1}+{\tan{{\left({356}^{\circ}\right)}}}{\tan{{\left({71}^{\circ}\right)}}}}}={\tan{{(}}})=\displaystyle {)}=