Выбери знак сравнения

1. \(\displaystyle\int \_{0}^{10} x^8dx\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\displaystyle\int \_{0}^{10} x^6dx\) ;
2. \(\displaystyle\int \_{\pi/6}^{\pi/4}\cos xdx\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\displaystyle\int \_{\pi/6}^{\pi/4}\cos ^2xdx\) .