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cosine calculator

## cosine calculator # cosine calculator

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It's not easy to understand how cosines work, much less how they can be calculated. Thankfully, there is a calculator at the end of the article! Check it out to see cosines in action.

## calculator

Since cos(α) = b/c, from this definition it follows that the cosine of any angle is always less than or equal to one, and it can take negative values. The cosine of a 90-degree angle is equal to zero, since in order to calculate it we would need a triangle with two 90-degree angles, which is the definition of a straight line. As the third side of the triangle does not exist (length is 0), the cosine equals zero (0 divided by the length of the hypotenuse equals 0). You can use this cosine calculator to verify this.

This trigonometry calculator will help you in two popular cases when trigonometry is needed. If you want to find the values of sine, cosine, tangent and their reciprocal functions, use the first part of the calculator. Searching for the missing side or angle in a right triangle, using trigonometry? Our tool is also a safe bet! Type 2-3 given values in the second part of the calculator and in a blink of an eye you'll find the answer. Scroll down if you want to read more about what is trigonometry and where you can apply it. (Source: www.omnicalculator.com)

## Function

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Many different fields of science and engineering use trigonometry and trigonometric functions, to mention only a few of them: music, acoustics, electronics, medicine and medical imaging, biology, chemistry, meteorology, electrical, mechanical and civil engineering, even economics... The trigonometric functions are really all around us!

In mathematics, trigonometric functions are real functions that related to a right angle triangle with two sides length and one hypotenuse. Assuming a right-angled triangle, the cos(x) function of an angle is defined as the length of the adjacent side divided by the length of the hypotenuse. The value of this trigonometric function cos(x) for the given angle can be calculated by using a cosine calculator. Furthermore, the range of cosine is \(-1 ≤ cos ≤ 1\), and the period of cosine is equal to \( 2π\). (Source: calculator-online.net)

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