the unit circle
cosine of 5pi/4
-rt2/2
sine of 5pi/4
-rt2/2
sine of 7pi/4
-rt2/2
tangent of 2pi/3
-rt3
tangent of 5pi/3
-rt3
cosine of 5pi/6
-rt3/2
cosine of 7pi/6
-rt3/2
sine of 4pi/3
-rt3/2
sine of 5pi/3
-rt3/2
tangent of 11pi/6
-rt3/3
tangent of 5pi/6
-rt3/3
cosine of 3pi/2
0
cosine of pi/2
0
sine of 0
0
sine of 2pi
0
sine of pi
0
tangent of 0
0
tangent of 2pi
0
tangent of pi
0
cosine of 0
1
cosine of 2pi
1
sine of pi/2
1
tangent of 5pi/4
1
tangent of pi/4
1
cosine of 5pi/3
1/2
cosine of pi/3
1/2
sine of 5pi/6
1/2
sine of pi/6
1/2
cosine of 7pi/4
rt2/2
cosine of pi/4
rt2/2
sine of 3pi/4
rt2/2
sine of pi/4
rt2/2
tangent of 4pi/3
rt3
tangent of pi/3
rt3
cosine of 11pi/6
rt3/2
cosine of pi/6
rt3/2
sine of 2pi/3
rt3/2
sine of pi/3
rt3/2
tangent of 7pi/6
rt3/3
tangent of pi/6
rt3/3
tangent of 3pi/2
undefined
tangent of pi/2
undefined
cosine of 3pi/4
-rt2/2
cosine of pi
-1
sine of 3pi/2
-1
tangent of 3pi/4
-1
tangent of 7pi/4
-1
cosine of 2pi/3
-1/2
cosine of 4pi/3
-1/2
sine of 11pi/6
-1/2
sine of 7pi/6
-1/2
