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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.
What is a cosine ratio?
In a right angle triangle it is: cosine ratio = adjacent/hypotenuse
What is the ratio of adjacent to hypotenuse?
It is the cosine ratio.
What is the ratio that is the reciprocal of the cosine?
it would be secant, 1/cosine
What is the cosine of a ratio that has 0 as its numerator?
If the numerator is 0 AND the denominator is not 0, then the ratio is 0. And cosine of 0 is 1.
Which ratio describes the tangent function?
The ratio of sine and cosine.
What is the cosine ratio?
In a specific angle for a right triangle the cosine ratio is the ratio between the lengths of the adjacent side (side touching the angle) and the hypotenuse (longest side).
Does your cosine like somebody?
A cosine is a trigonometric ratio and is not capable of liking or disliking anything!
What is the ratio of the cosine of an angle?
Fora right angle triangle: cosine angle = adjacent/hypotenuse
What is a cosine?
In trigonometry, when we look at right triangles, the cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.
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.
How do you know whether to use sin or cosine?
To determine whether to use sine or cosine, consider the context of the problem and the definitions of each function. Sine is used when you need the ratio of the opposite side to the hypotenuse in a right triangle, while cosine is used for the ratio of the adjacent side to the hypotenuse. Additionally, in unit circle problems, sine relates to the y-coordinate and cosine to the x-coordinate of a point on the circle. Identifying whether you are working with angles or sides will help guide your choice.
