# 三角関数と双曲線関数

このセクションでは、三角関数と双曲線関数の演算子について説明します。これらのすべての関数では、引数は計算結果がラジアンで表された角度になる数式で、x は実数として解釈されます。

角度はすべてラジアンで表します。

すべての関数は、ロード スクリプトおよびチャート式の両方で使用できます。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### cos

x の余弦です。結果は、-1 から 1 の間の数値になります。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)cos( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### acos

x の逆コサイン。関数は、-1≤x≤1 の場合にのみ定義されます。結果は、0 から p の間の数値になります。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)acos( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### sin

x の正弦です。結果は、-1 から 1 の間の数値になります。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)sin( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### asin

x の逆サイン。関数は、-1≤x≤1 の場合にのみ定義されます。結果は、-p/2 から p/2 の間の数値になります。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)asin( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### tan

x の正接です。結果は実数です。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)tan( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### atan

x の逆タンジェント。結果は、-p/2 から p/2 の間の数値になります。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)atan( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### atan2

逆正接関数の 2 次元一般化です。原点と、x 座標と y 座標で表される点との間の角度を返します。結果は、-p から +p の間の数値になります。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)atan2( y,x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### cosh

x の双曲線余弦。結果は正の実数です。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)cosh( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### sinh

x の双曲線正弦。結果は実数です。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)sinh( x )

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)

#### tanh

x の双曲線正接。結果は実数です。

[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)[](https://help.qlik.com/en-US/qlikview/Subsystems/Client/Content/QV_QlikView/Scripting/TrigonometricAndHyperbolicFunctions/trigonometric-hyperbolic-functions.htm)tanh( x )

以下のスクリプト コードはサンプル テーブルをロードし、その後、値を三角関数と双曲線関数で計算した結果を含むテーブルをロードします。

```
SampleData:
LOAD * Inline
[Value
-1
0
1];

Results:
Load *, 
cos(Value),
acos(Value),
sin(Value),
asin(Value),
tan(Value),
atan(Value),
atan2(Value, Value),
cosh(Value),
sinh(Value),
tanh(Value)
RESIDENT SampleData;

Drop Table SampleData;
```