# Thread: Sine to Angle (Excel XP)

1. ## Sine to Angle (Excel XP)

<img src=/S/heavy.gif border=0 alt=heavy width=40 height=34> I use the following formula to derive the Sine of an angle that I include inside the ().

Which returns a value of 0.7071 as the Sine for an angle of 45 degrees.

If I change the 45 to 30, the Sine value is 0.50.

Now I want to write a formula to derive the angle when I know the Sine. I would like to enter the Sine in a cell and then have the formula reference that cell. I can do it with HLOOKUP, but that

2. ## Re: Sine to Angle (Excel XP)

To find the angle (in degrees) with sine 0.5, use the formula

=DEGREES(ASIN(0.5))

Of course, you can use a cell reference instead of a literal value:

=DEGREES(ASIN(A1))

3. ## Re: Sine to Angle (Excel XP)

<img src=/S/thumbup.gif border=0 alt=thumbup width=15 height=15> You have no idea how much paper I wasted trying to figure this out, and I never thought about DEGREES. Thank you.

4. ## Re: Sine to Angle (Excel XP)

Since you knew about RADIANS(), then if you had gone to Excel's Help for the RADIANS() function and clicked on the "See Also" no the second line, it would have pointed you to the DEGREES() function. <img src=/S/yep.gif border=0 alt=yep width=15 height=15>

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