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Basic features
Parity odd
Domain (−,) a
Codomain [−1,1] a
Period 2π
Specific values
At zero 0
Maxima ((2k + ½)π 1) b
Minima ((2k − ½)π −1)
Specific features
Root kπ
Creetical pynt kππ/2
Inflection pynt kπ
Fixed pynt 0

For the angle α, the sine function gies the ratio o the lenth o the opposite side tae the lenth o the hypotenuse.

Sine, in mathematics, is a trigonometric function o an angle.