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Trig. Ratios
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Sin, Cos, Tan, Csc, Sec, Cot of 30, 45, and 60 Degree Angles
A
B
sin(30 deg.)
1/2
sin(45 deg.)
rt2/2
sin(60 deg.)
rt3/2
cos(30 deg.)
rt3/2
cos(45 deg.)
rt2/2
cos(60 deg.)
1/2
tan(30 deg.)
rt3/3
tan(45 deg.)
1
tan(60 deg.)
rt3
csc(30 deg.)
2
csc(45 deg.)
rt2
csc(60 deg.)
2rt3/3
sec(30 deg.)
2rt3/3
sec(45 deg.)
rt2
sec(60 deg.)
2
cot(30 deg.)
rt3
cot(45 deg.)
1
cot(60 deg.)
rt3/3
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