Trig Angle Measures

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cotangent

A/O, reciprocal of tangent COT

secant

H/A, reciprocal of cosine SEC

cosecant

H/O, reciprocal of sine, CSC

30 degrees

sin - 1/2 cos - (sqrt3)/2 tan- (sqrt3)/3 or 1/Sqrt3

all others can be derived from these

SOHCAHTOA

45 degrees

sin- (sqrt2)/2 or 1/sqrt2 cos- (sqrt2)/2 or 1/sqrt2 tan - 1

60 degrees

sin-(sqrt3)/2 cos- 1/2 tan - sqrt3


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