# sin

# Notations of sin

Sin symbol represents the sine function, and the sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

### Description of this symbol

### Observations of the sine function

Put your observations here ...

#### English

The English book Calculus with analytic geometry shows sine function in page 38.

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#### German

'Sinusfunktion' symbol is represented in the example on the right, from the German book Mathematischer Begleiter zur Experimentalphysik

page number 72.

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### Arabic (Saudi Arabia, Egypt, Kuwait and some other provinces)

In the example on the right we find the sine function () is represented in Arabic context and it is called '?'.

The example shows that \(sin 0=0\) .

Find the example in page 48 in the math highschool book

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#### Dutch

The Dutch book Continue wiskunde shows the sine function in page number 20, and it is called 'sinus' in Dutch context.

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#### Finnish

We find also sine function in the Finnish book MAOL-taulukot page 25, and it is called 'sini' in Finnish context.

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#### Spanish

In the Spanish book Matematicas para las ciencias aplicadas as we see in page 140 the sin function is represented as *sen* in Spanish context.

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