sin0°=0,
sin30°=1/2,
sin45°=√2/2,
sin60°=√3/2,
sin90°=1,
sin120°=√3/2,
sin135°=√2/2
sin150°=1/2,
sin180°=0,
sin270°=⁻1
cos0°=1,
cos30°=√3/2,
cos45°=√2/2,
cos60°=1/2,
cos90°=0,
cos120°=-1/2,
cos135°=⁻√2/2
cos150°=⁻√3/2,
cos180°=⁻1,
cos270°=0
tan0°=0,
tan30°=√3/3,
tan45°=1,
tan60°=√3,
tan90°不存在
tan120°=-√3,
tan135°=⁻1
tan150°=⁻√3/3,
tan180°=0,
tan270°不存在