请问谁可以帮忙给我1到180度的特殊角的正弦余弦表咯?
我要的是比如：（要有根号的哦,不要准确的数值）
sin0=?cos0=?
sin30=1/2 ……
sin45=?
sin90=?
sin120=?
sin150=?
sin180=?cos180=?
还有正切和正弦也就是ten和con
第1个回答 2023-06-23
以下是0～180度的正余弦值表：
sin 0° = 0
sin 15° = 0.2588
sin 30° = 0.5
sin 45° = 0.7071
sin 60° = 0.8660
sin 75° = 0.9887
sin 90° = 1
sin 105° = 0.9887
sin 120° = 0.8660
sin 135° = 0.7071
sin 150° = 0.5
sin 165° = 0.2588
sin 180° = 0
cos 0° = 1
cos 15° = 0.9659
cos 30° = 0.8660
cos 45° = 0.7071
cos 60° = 0.5
cos 75° = 0.2588
cos 90° = 0
cos 105° = -0.2588
cos 120° = -0.5
cos 135° = -0.7071
cos 150° = -0.8660
cos 165° = -0.9659
cos 180° = -1
tan 0° = 0
tan 15° = 0.2679
tan 30° = 0.5774
tan 45° = 1
tan 60° = 1.7321
tan 75° = 3.3387
tan 90° = 无穷大
tan 105° = 3.3387
tan 120° = 1.7321
tan 135° = 0.5774
tan 150° = 0.2679
tan 165° = 0
tan 180° = 无穷小
sin 0° = 0
sin 15° = 0.2588
sin 30° = 0.5
sin 45° = 0.7071
sin 60° = 0.8660
sin 75° = 0.9887
sin 90° = 1
sin 105° = 0.9887
sin 120° = 0.8660
sin 135° = 0.7071
sin 150° = 0.5
sin 165° = 0.2588
sin 180° = 0
cos 0° = 1
cos 15° = 0.9659
cos 30° = 0.8660
cos 45° = 0.7071
cos 60° = 0.5
cos 75° = 0.2588
cos 90° = 0
cos 105° = -0.2588
cos 120° = -0.5
cos 135° = -0.7071
cos 150° = -0.8660
cos 165° = -0.9659
cos 180° = -1
tan 0° = 0
tan 15° = 0.2679
tan 30° = 0.5774
tan 45° = 1
tan 60° = 1.7321
tan 75° = 3.3387
tan 90° = 无穷大
tan 105° = 3.3387
tan 120° = 1.7321
tan 135° = 0.5774
tan 150° = 0.2679
tan 165° = 0
tan 180° = 无穷小
第2个回答 2019-11-16
sin0°=0
30°=1/2
45°=1/√2
60°=√3/2
90°=1
120°=√3/2
135°=1/√2
150°=1/2
180°=0
cos
0°=1
30°=√3/2
45°=1/√2
60°=1/2
90°=0
120°=-1/2
135°=-1/√2
150°=-√3/2
180°=-1
30°=1/2
45°=1/√2
60°=√3/2
90°=1
120°=√3/2
135°=1/√2
150°=1/2
180°=0
cos
0°=1
30°=√3/2
45°=1/√2
60°=1/2
90°=0
120°=-1/2
135°=-1/√2
150°=-√3/2
180°=-1
