Реши уравнения

1. \({(5\sin x+12\cos x)(100\mathrlap{\:+}}\) \({+\,48\cos x-13\cos 2x)=1757}\) ;

2. \({(8\sin x+15\cos x)(53\mathrlap{\:+}}\) \({+\,32\sin x+17\cos 2x)=1318}\) .

Ответ:

1. \(x=\) [ ], \(n\in \Z\) ;

2. \(x=\) [ ], \(n\in \Z\) .