Oracle SQL - Function COSH function

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Introduction

COSH - Returns the hyperbolic cosine of a value.

The hyperbolic trigonometric function takes arguments in radians where, 

radians  = (angle * 2 * 3.1416 / 360)

Using the COSH function to find the hyperbolic cosine of 30 degrees:

Demo

SQL>
SQL> SELECT COSH(30*2*3.1416/360)
  2  FROM dual;-- from  ww  w  .  j ava  2s .  c om

COSH(30*2*3.1416/360)
---------------------
             00001.14

SQL>