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sin 0°
0
cos 0
1
tan 0
0
cosec 0
not defined
sec 0
1
cotan 0
undefined
sin 30
1/2
cos 30
√3/2
tan 30
1/√3
cosec 30
2
sec 30
2√3/3
cotan 30
√3
sin 45
√2/2
cos 45
√2/2
tan 45
1
cosec 45
√2
sec 45
√2
cotan 45
1
sin 60
√3/2
cos 60
1/2
tan 60
√3
cosec 60
2√3/3
sec 60
2
cotan 60
√3/3
sin 90
1
tan 90
ND
cos 90
0
cosec 90
1
sec 90
ND
cotan 90
0