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π/2
90°
π/3
60°
π/4
45
π/6
30°
π
180°
sin(π/2)
1
sin(π/3)
√3/2
sin(π/4)
√2/2
sin(π/6)
1/2
sin(π)
0
cos(π/2)
0
cos(π/3)
1/2
cos(π/4)
√2/2
cos(π/6)
√3/2
cos(π)
-1
tan(π/2)
undefined
tan(π/3)
√3
tan(π/4)
1
tan(π/6)
√3/3
tan(π)
0 (not sin)