**sine sin **

The trig function sine, written sin θ. For acute angles, sin θ can be found by the SOHCAHTOA definition as shown below on the left. The circle definition, a generalization of SOHCAHTOA, is shown below on the right. Finally, *f*(*x*) = sin *x* is a periodic function with period 2π.

**See also**

Copyrights © 2013 & All Rights Reserved by hltd.org*homeaboutcontactprivacy and policycookie policytermsRSS*