Выбери верные знаки

Сравни выражения.

1. \(\cos 25\degree\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\cos 65\degree\) ;

2. \(\cos 25\degree\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\cos 165\degree\) ;

3. \(\sin 175\degree\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\sin 85\degree\) ;

4. \(\sin 25\degree\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\cos 165\degree\) .