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Introduction to the Math. tan () method for processing tangent in JavaScript

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Introduction to the Math. tan () method for processing tangent in JavaScript

This article mainly introduces the Math. tan () method used to process tangent in JavaScript. It is the basic knowledge in JS beginners. For more information, see

This method returns the tangent of a number. The tan method returns the tangent of the angle.

Syntax

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Math. tan (x );

The following is the detailed information about the parameters:

X: A number indicating radians in degrees

Return Value:

Returns the tangent of a number.

Example:

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<Html>

<Head>

<Title> JavaScript Math tan () Method </title>

</Head>

<Body>

<Script type = "text/javascript">

 

Var value = Math. tan (-30 );

Document. write ("First Test Value:" + value );

 

Var value = Math. tan (90 );

Document. write ("<br/> Second Test Value:" + value );

 

Var value = Math. tan (45 );

Document. write ("<br/> Third Test Value:" + value );

 

Var value = Math. tan (Math. PI/180 );

Document. write ("<br/> Fourth Test Value:" + value );

</Script>

</Body>

</Html>

This produces the following results:

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First Test Value: 1

Second Test Value: 21

Third Test Value: 20

Fourth Test Value:-20

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