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arcsine

created by xdc

(idea) by xdc (8.2 y) (print)   ?   (I like it!) 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.


(idea) by nobody really (4.6 y) (print)   ?   (I like it!) 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.

printable version
chaos

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