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What is sine?


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Sine Sine:1:ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle.

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The inverse of sine is cosecant; sin = 1/csc. That also means that csc = 1/sin. Thanks for asking ChaCha!

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Sine in math is a trig function. You can use sin theta = opposite / hypotenuse to find sides or angles of a right triangle. ChaCha

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In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.

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