# csc

cosecant
csc
cosec

The trig function cosecant, written csc θ. csc θ equals . For acute angles, csc 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) = csc x is a periodic function with period 2π.