ACSCH INDEX

ACSCH _ _ _ _ _ _ _ _ _ _ _ _ operator

The acsch operator returns the hyperbolic arccosecant of its argument.

syntax:

acsch(<expression>) or acsch <simple\_expression>

<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.

examples:


acsch(ab); 

  ACSCH(AB) 


acsch 15; 

  ACSCH(15) 


df(acsch(x*y),x); 

         2  2
  -SQRT(X *Y  + 1)
  ---------------- 
       2  2
   X*(X *Y  + 1)


on rounded; 

res := acsch(3); 

  RES := 0.327450150237

An explicit numeric value is not given unless the switch round ed is on and the argument has an absolute numeric value less than or equal to 1.