TAN DAX Function (Math and Trig)
Returns the tangent of the given angle.
Syntax
TAN ( <Number> )
| Parameter | Attributes | Description |
|---|---|---|
| Number |
The angle in radians for which you want the tangent. |
Return values
Scalar A single decimal value.
Returns the tangent of the given angle.
Remarks
If the argument is in degrees, multiply it by PI()/180 or use the RADIANS function to convert it to radians.
Examples
-- SIN, COS, ASIN, ACOS, TAN, ATAN, COT, ACOT are the
-- standard trigonometrical functions.
--
-- Where required, the arguments are specified in radians.
DEFINE
VAR Vals = GENERATESERIES ( -PI()+0.001, PI(), PI()/4 )
EVALUATE
ADDCOLUMNS (
Vals,
"SIN", SIN ( [Value] ),
"ASIN", ASIN ( SIN ( [Value] ) ),
"COS", COS ( [Value] ),
"ACOS", ACOS ( COS ( [Value] ) ),
"TAN", TAN ( [Value] ),
"ATAN", ATAN ( TAN ( [Value] ) ),
"COT", COT ( [Value] ),
"ACOT", ACOT ( COT ( [Value] ) )
)
| Value | SIN | ASIN | COS | ACOS | TAN | ATAN | COT | ACOT |
|---|---|---|---|---|---|---|---|---|
| -3.14 | -0.00 | -0.00 | -1.00 | 3.14 | 0.00 | 0.00 | 1,000.00 | 0.00 |
| -2.36 | -0.71 | -0.79 | -0.71 | 2.36 | 1.00 | 0.79 | 1.00 | 0.79 |
| -1.57 | -1.00 | -1.57 | 0.00 | 1.57 | -1,000.00 | -1.57 | -0.00 | 1.57 |
| -0.78 | -0.71 | -0.78 | 0.71 | 0.78 | -1.00 | -0.78 | -1.00 | 2.36 |
| 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1,000.00 | 0.00 |
| 0.79 | 0.71 | 0.79 | 0.71 | 0.79 | 1.00 | 0.79 | 1.00 | 0.79 |
| 1.57 | 1.00 | 1.57 | -0.00 | 1.57 | -1,000.00 | -1.57 | -0.00 | 1.57 |
| 2.36 | 0.71 | 0.78 | -0.71 | 2.36 | -1.00 | -0.78 | -1.00 | 2.36 |
Related functions
Other related functions are:
Last update: Oct 22, 2021 » Contribute » Show contributors
Contributors: Alberto Ferrari, Marco Russo
Microsoft documentation: https://docs.microsoft.com/en-us/dax/tan-function-dax
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