Math & Trig
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=ASIN()
Returns the arcsine, or inverse sine, of a number. The arcsine is the angle whose sine is number. The returned angle is given in radians in the range -pi/2 to pi/2.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=ASIN(number)
Hover argument names in the table for details.
Output typeNumber
Popularity20 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
number |
Number | Required | The sine of the angle you want and must be from -1 to 1. |
▣ Examples
Arcsine of -0.5 in radians, -pi/6
=ASIN(-0.5)
Result:
-0.523598776
Arcsine of -0.5 in degrees
=ASIN(-0.5)*180/PI()
Result:
-30
Arcsine of -0.5 in degrees
=DEGREES(ASIN(-0.5))
Result:
-30
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