求下列特殊角的弧度,sin,cos,tan的值30,45,60,90,120,135,150,180,210,225,240,270,300,330,360

问题描述:

求下列特殊角的弧度,sin,cos,tan的值
30,45,60,90,120,135,150,180,210,225,240,270,300,330,360