Trigonometry Unit Circle Radians
cos(π)
-1
cot(3π/4)
-1
cot(7π/4)
-1
csc(3π/2)
-1
sec(π)
-1
sin(3π/2)
-1
tan(3π/4)
-1
tan(7π/4)
-1
cos(2π/3)
-1/2
cos(4π/3)
-1/2
sin(11π/6)
-1/2
sin(7π/6)
-1/2
csc(11π/6)
-2
csc(7π/6)
-2
sec(2π/3)
-2
sec(4π/3)
-2
csc(4π/3)
-2√3/3
csc(5π/3)
-2√3/3
sec(5π/6)
-2√3/3
sec(7π/6)
-2√3/3
csc(5π/4)
-√2
csc(7π/4)
-√2
sec(3π/4)
-√2
sec(5π/4)
-√2
cos(3π/4)
-√2/2
cos(5π/4)
-√2/2
sin(5π/4)
-√2/2
sin(7π/4)
-√2/2
cot(11π/6)
-√3
cot(5π/6)
-√3
tan(2π/3)
-√3
tan(5π/3)
-√3
cos(5π/6)
-√3/2
cos(7π/6)
-√3/2
sin(4π/3)
-√3/2
sin(5π/3)
-√3/2
cot(2π/3)
-√3/3
cot(5π/3)
-√3/3
tan(11π/6)
-√3/3
tan(5π/6)
-√3/3
cos(3π/2)
0
cos(π/2)
0
cot(3π/2)
0
cot(π/2)
0
sin(0)
0
sin(π)
0
tan(0)
0
tan(π)
0
cos(0)
1
cot(5π/4)
1
cot(π/4)
1
csc(π/2)
1
sec(0)
1
sin(π/2)
1
tan(5π/4)
1
tan(π/4)
1
cos(5π/3)
1/2
cos(π/3)
1/2
sin(5π/6)
1/2
sin(π/6)
1/2
csc(5π/6)
2
csc(π/6)
2
sec(5π/3)
2
sec(π/3)
2
csc(2π/3)
2√3/3
csc(π/3)
2√3/3
sec(11π/6)
2√3/3
sec(π/6)
2√3/3
cot(0)
undefined
cot(π)
undefined
csc(0)
undefined
csc(π)
undefined
sec(3π/2)
undefined
sec(π/2)
undefined
tan(3π/2)
undefined
tan(π/2)
undefined
csc(3π/4)
√2
csc(π/4)
√2
sec(7π/4)
√2
sec(π/4)
√2
cos(7π/4)
√2/2
cos(π/4)
√2/2
sin(3π/4)
√2/2
sin(π/4)
√2/2
cot(7π/6)
√3
cot(π/6)
√3
tan(4π/3)
√3
tan(π/3)
√3
cos(11π/6)
√3/2
cos(π/6)
√3/2
sin(2π/3)
√3/2
sin(π/3)
√3/2
cot(4π/3)
√3/3
cot(π/3)
√3/3
tan(7π/6)
√3/3
tan(π/6)
√3/3
