2025年教学资料:4.3.1任意角的三角函数定义(分层作业)(原卷版)
4.3.1任意角的三角函数定义分层作业1.若角的终边经过点,则( )A.B.C.D. 2.已知角的终边与单位圆的交点为,则的值为( )A.B.C.D. 3.已知角的终边经过点,则 , , . 4.在平面直角坐标系中,已知角的始边是轴的非负半轴,终边经过点,则 . 5.已知角的终边经过点,则角的正弦值是 . 6.已知角的终边在直线上,且,则 . 1.已知角的顶点为坐标原点,始边与轴非负半轴重合,终边经过点基础巩固能力进阶,则( )A.B.C.D. 2.若角的终边经过点,则等于( ...
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