Выбери верные ответы

Сравни:

1. \(\sin156\degree\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\cos256\degree\) ;

2. \(\ctg 220\degree\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\tg (-220\degree)\) ;

3. \(\sin \dfrac{7\pi}{4}\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\cos \dfrac{11\pi}{6}\) ;

4. \(\cos3\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\sin1\) .