Q: The sine of an angle equals the ratio of?

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Sine and the cosine of the angle.

Sine ratio = opposite/hypotenuse

It is: sine = opposite/hypotenuse

sine(15 degrees) = 0.25882 (rounded)

This ratio is called the sine ratio for a right triangle. A simple way to remember this is by using the mnemonic 'SOHCAHTOA', where SOH stands for sine equals the ratio opposite side/ hypotenuse, COH is cosine equals adjacent side/hypotenuse, and TOA is tangent equals opposite side/adjacent side.

Related questions

Sine of the angle to its cosine.

Sine and the cosine of the angle.

An angle can have a sine ratio, not a triangle.

Sine = opposite / hypotenuse

Sine ratio = opposite/hypotenuse

the sine of a 30 degree angle is 0.5

In a right triangle, the sine of an (non right angle) angle would the ratio of the opposite side (opposite to the angle selected) and the hypotenuse

The sine of an angle in a right triangle is the ratio of the length of the side opposite the angle to the length of the hypotenuse.In terms of ratios, the sine of an angle is defined, in a right angled triangle, as the ratio of lengths of the opposite side to the hypotenuse.

It is: sine = opposite/hypotenuse

The ratio of the side of a right-angled triangle opposite to a specified angle to the hypotenuse; when expressed as a real number between 0 and 1 it defines the sine of the angle

False because sine ratio = opposite/hypotenuse

In a right angle triangle divide the opposite by the hypotenuse to find the sine ratio.