(idea) by xdc Sat Nov 13 1999 at 14:28:15
The inverse function to the sine.

If y is the sine of theta, then theta is the arcsine of y.

del.icio.us Furl Facebook Digg StumbleUpon Reddit   (I like it!)
(idea) by nobody really Tue Nov 04 2003 at 23:57:34
arcsin(z) is equal to i × ln(√(1 − z²) − z × i) since sin(φ) = -i × sinh(i × φ).

The arcsine is real for -1 ≤ x ≤ 1 only. Values are then between -π/2 and +π/2.
del.icio.us Furl Facebook Digg StumbleUpon Reddit   (I like it!)
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.