ASIN function

Category: Math and trigonometry
Introduced: Excel 2003

Summary

Returns the arcsine of a number

Syntax

ASIN(number) The ASIN function syntax has the following arguments:
• Number Required. The sine of the angle you want and must be from -1 to 1.

Example

=ASIN(-0.5)
=ASIN(-0.5)*180/PI()
=DEGREES(ASIN(-0.5))

Microsoft Support Page

https://support.microsoft.com/en-us/office/asin-function-81fb95e5-6d6f-48c4-bc45-58f955c6d347

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