cotangent
cot
ctg
The trig function cotangent,
written cot θ. cot θ equals or .
For acute angles, cot θ can
be found by the SOHCAHTOA definition,
shown below on the left. The
circle definition, a generalization
of SOHCAHTOA, is shown below on the right. f(x)
= cot x is
a periodic function with period π.
See also
Inverse cotangent,
angle
