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asin

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Defined in header <math.h>
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float       asinf( float arg );
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double      asin( double arg );
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long double asinl( long double arg );
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<td class="t-dcl-nopad"> </td> <td > (since C99) </td> </tr> Template:ddcl list end

Computes arc sine of arg

Parameters

arg - floating point value

Return value

Arc sine of arg in radians in the range of [-π/2; π/2] radians.

Domain error occurs if arg is outside the range [-1.0; 1.0]. NAN is returned in that case.

See also

Template:c/numeric/math/dcl list acosTemplate:c/numeric/math/dcl list atanTemplate:c/numeric/math/dcl list atan2Template:c/numeric/math/dcl list sin