Talk about the pictures your partner.
衣食住行是人类生活的基本需要,满足这些需要的食物、水、衣服、住房、车船等,都直接或间接地来自于( )
(Ⅰ)求sin(﹣ 10π3 )的值;
(Ⅱ)化简: sin(π+α)cos(α−π)tan(3π−α)sin(π2−α)cos(5π2+α)tan(α−9π) .