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trigonometric function science definition
A function of an angle, as the sine, cosine, or tangent, whose value is expressed as a ratio of two of the sides of the right triangle that contains the angle.
trigonometric function
In a right triangle, the trigonometric functions are:
sine Θ = opposite/hypotenuse
cosine Θ = adjacent/hypotenuse
tangent Θ = opposite/adjacent
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