en.wikipedia.org/wiki/Sine

The sine and cosine functions are related in multiple ways. ... It is possible to
express any trigonometric function in ...

mathworld.wolfram.com/Sine.html

The sine function can be defined analytically by the infinite sum ... The
multiplicative inverse of the sine function is the cosecant, defined as ...

www.khanacademy.org/math/trigonometry/unit-circle-trig-func/graphs-of-sine-cosine-tangent/v/we-graph-domain-and-range-of-sine-function

Sal draws the graph of the sine function to learn about its domain and range.

www.purplemath.com/modules/grphtrig.htm

Let's start with the basic sine function, f(t) = sin(t). This function has an amplitude
of 1 because the graph goes one unit up and one unit down from the midline of ...

www.mathguide.com/lessons2/GraphingTrig.html

Graphing Sine, Cosine, and Tangent Functions: Learn how to graph sine, cosine,
and tangent functions, including amplitude, period, phase shift, and vertical ...

www.mathsisfun.com/sine-cosine-tangent.html

Sine, Cosine and Tangent are the main functions used in Trigonometry and are
based on a Right-Angled Triangle. Before getting stuck into the functions, it helps
...

www.mathopenref.com/sine.html

Definition of the sine function as applied to right triangles in trigonometry.

docs.scipy.org/doc/numpy-1.9.1/reference/generated/numpy.sin.html

Notes. The sine is one of the fundamental functions of trigonometry (the
mathematical study of triangles). Consider a circle of radius 1 centered on the
origin.

www.mathworks.com/help/matlab/ref/sin.html

The sine of an angle, α, defined with reference to a right angled triangle is. sin ( α
) = opposite side hypotenuse = a h . The sine of ...

betterexplained.com/articles/intuitive-understanding-of-sine-waves/

Apr 17, 2011 ... Sine waves confused me. Yes, I can mumble "SOH CAH TOA" and draw lines
within triangles. But what does it mean? I was stuck thinking sine ...