\[\boxed{\mathbf{441.}}\]
\[1)\sin{1,5} = 0,99749\ldots \approx 1\]
\[2)\cos{4,81} = 0,09745\ldots \approx 0,1\]
\[3)\sin{38{^\circ}} = 0,61566\ldots \approx 0,62\]
\[4)\cos{45{^\circ}12^{'}} = 0,70463\ldots \approx 0,7\]
\[5)\sin\frac{\pi}{5} = 0,58778\ldots \approx 0,59\]
\[6)\cos{\frac{10}{7}\pi} = - 0,22252\ldots \approx\]
\[\approx - 0,22\]
\[7)\ tg\ 12{^\circ} = 0,21255\ldots \approx 0,21\]
\[8)\sin{\frac{19}{9}\pi} = 0,34202\ldots \approx 0,34\]