function cscf( x ) {
	return f32( f32( 1.0 ) / sinf( f32( x ) ) );
}
Evaluates the cosecant of a single-precision floating-point number (in radians).

@param {number} x - input value (in radians)
@returns {number} cosecant

@example
var v = cscf( 0.0 );
// returns Infinity

@example
var v = cscf( 3.141592653589793/2.0 );
// returns 1.0

@example
var v = cscf( -3.141592653589793/6.0 );
// returns ~-2.0

@example
var v = cscf( 3.141592653589793/6.0 );
// returns ~2.0

@example
var v = cscf( NaN );
// returns NaN