ASIN _ _ _ _ _ _ _ _ _ _ _ _ operator
The asin operator returns the arcsine of its argument.
<expression> may be any scalar REDUCE expression, not an array, matrix or vector expression. <simple\_expression> must be a single identifier or begin with a prefix operator name.
asin(givenangle); ASIN(GIVENANGLE) asin(5); ASIN(5) df(asin(2*x),x); 2 2*SQRT( - 4*X + 1)) - -------------------- 2 4*X - 1 on rounded; asin .5; 0.523598775598 asin(sqrt(3)); ASIN(1.73205080757) asin(sqrt(3)/2); 1.04719755120
A numeric value is not returned by asin unless the switch rounded is on and its argument has an absolute value less than or equal to 1.