ASIN

Using the Excel ASIN Function

Summary

The Excel ASIN function returns the inverse, or arcsine, of a number. The output of the ASIN function is an angle in radians with the range -pi/2 to pi/2.

Syntax

=ASIN (number)

Syntax Breakdown

Number
Number is required in the ASIN function. This is the sine of the angle that you would like to find. Number must be in the range of -1 to 1.


Usage Notes

The ASIN function is able to find the inverse of the sine function.

Expressing ASIN in Degrees
Multiplying the result of the ASIN function by 180/PI() can be used to express the arcsine in degrees. You could also use the DEGREES function.

Excel ASIN and DEGREES