float asin ( float  x )

inline

Compute arc sine.

Computes the principal value of the arc sine of x, expressed in radians. In trigonometrics, arc sine is the inverse operation of sine.

Parameters

x	Floating point value in the interval [-1,+1].

Returns

Arc sine of x, in the interval [-pi/2,+pi/2] radians.

Warning

This function requires the enhanced NBC/NXC firmware.

Examples:

ex_asin.nxc.