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
Inverse sine, sinusoid, angle
