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Sides have lenght, angles do not.

Cosine is the ratio of the adjacent side to the hypotenuse. Cosine can be used to find either of these sides if the other is known.

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โˆ™ 2012-12-18 18:46:52
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Q: Which angle length does cosine give you?
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Related questions

What is the cosine function about?

The cosine function is mathematical equation to determine the adjacent angle of a triangle. The cosine of an angle is the ratio of the length of the hypotenuse: so called because it is the sine of the co-angle.


How do you find the diagonal of a rectangle if you know the length and the angle?

You need to use trigonometry cosine (angle) = length/diagonal diagonal = length/cos(angle)


What is the measure of an angle in a right angled triangle found by dividing the length of the side adjacent to the angle by the length of the hypothenuse?

cosine


What is the ratio that defines the cosine of an acute angle of the right angle?

It is the ratio of the length of the adjacent side to that of the hypotenuse.


How do you find the angle of a cosine?

You mean, you have the cosine, and want the angle? That is called arc-cosine, often written as cos-1x. Your scientific calculator should have a "shift" key or something similar, which you press, followed by the cosine key. That will give you the inverse cosine or arc-cosine.


What angle is the ratio of the opposite leg length to the adjacent leg length?

Its Tangent, APEX "The tangent of an angle is the ratio of the opposite leg length to the adjacent leg length."


What is the formula for calculating the central angle given chord length and radius?

You can use the cosine rule to calculate the central angle.


What is the ratio of the cosine of an angle?

Fora right angle triangle: cosine angle = adjacent/hypotenuse


What is the cosine of a 60 degree angle?

Cosine is 0.5


How do you find the width and length of a rectangle knowing ONLY the diagonal and its angle?

By using the trigonometric ratios of Sine and Cosine. The diagonal forms the hypotenuse of a right angled triangle with the length and width of the rectangle forming the other two sides of the triangle - the adjacent and opposite sides to the angle. Then: sine = opposite/hypotenuse → opposite = hypotenuse x sine(angle) cosine = adjacent/hypotenuse → adjacent = hypotenuse x cosine(angle)


What are facts about right triangles?

The ratio of the length of the side opposite a given angle to the hypotenuse is the sine of that angle.The ratio of the length of the side adjacent to a given angle to the hypotenuse is the cosine of that angle.The ratio of the length of the side opposite a given angle to the side adjacent to that angle is the tangent of that angle.


How is cosine defined?

In a right triangle, the cosine of an angle is defined as the ratio of the adjacent side of that angle to the hypotenuse.

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