sin(5pi/4)
-√2/2
tan(5pi/3)
-√3
cos(5pi/6)
-√3/2
csc(7pi/6)
-2
cot(5pi/3)
-√3/3
csc(11pi/6)
-2
sec(3pi/4)
-√2
cos(3pi/2)
0
sin(3pi/2)
-1
cot(7pi/4)
-1
cos(5pi/4)
-√2/2
cot(11pi/6)
-√3
cot(pi/2)
0
cos(2pi)
1
tan(4pi/3)
√3
sec(5pi/4)
-√2
cot(7pi/6)
√3
cos(pi/2)
0
csc(pi/6)
2
tan(11pi/6)
-√3/2
sec(3pi/2)
undefined
sin(7pi/4)
-√2/2
csc(2pi/3)
2√3/3
tan(7pi/6)
√3/3