ASIN
The angle, in radians, whose sine is a number.
Group: Math. Compatible with DAX.
Syntax
ASIN ( <number> )| Parameter | Type | Description |
|---|---|---|
number | Number | A value from -1 to 1, read as a sine. |
Returns
Number. The angle in radians, from -pi / 2 to pi / 2.
Remarks
- A number below -1 or above 1 is the sine of no angle, and an error.
- A blank gives BLANK.
- For the angle in degrees, wrap it in
DEGREES.
Examples
Angles from sines
EVALUATE
ROW (
"Of 0.5", ASIN ( 0.5 ),
"In degrees", DEGREES ( ASIN ( 0.5 ) ),
"Of 1", ASIN ( 1 ),
"Of -1", ASIN ( -1 )
)| Of 0.5 | In degrees | Of 1 | Of -1 |
|---|---|---|---|
| 0.523598775598299 | 30 | 1.5707963267949 | -1.5707963267949 |