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0, 30, 45, 60, 90
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Sin0
0
sin 30
½
sin 45
1/√2
Sin 60
√3/2
Sin 90
1
Cos 0
1
Cos 30
√3/2
cos 45
1/√2
Cos 60
1/2
Cos 90
0
Tan 0
0
tan 30
1/√3 or √3/3
tan 45
1
tan 60
√3
tan 90
undefined or approaches infinity
cot 0
undefined
cot 30
√3
cot 45
1
cot 60
1/√3
cot 90
0
sec 0
1
sec 30
2/√3 or
sec 45
√2