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Trigonometry values

the values of which each trigonometry identity equates to
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sin0
0
cos0
1
tan0
0
sin30
1/2
cos30
root 3/2
tan30
1/root 3
sin45
1/root 2
cos45
1/root 2
tan45
1
sin60
root 3/2
cos60
1/2
tan60
root 3
sin90
1
cos90
0
tan90
infinite
sin180
0
cos180
-1
tan180
0