PLSQL | COSH Function

The PLSQL COSH function is used to return the hyperbolic cosine of a numeric value. The COSH function accepts one parameter which is the number whose hyperbolic cosine needs to be calculated. The COSH function returns a value of the numeric data type.

This function takes as an argument any numeric data type as well as any non-numeric data type that can be implicitly converted to a numeric data type. If in any case, the argument is BINARY_FLOAT, then the COSH function returns BINARY_DOUBLE.

Syntax:

COSH(number)

Parameters Used:

number – It is used to specify the number whose hyperbolic cosine needs to be calculated.



Return Value:
The COSH function in PLSQL returns a numeric value.

Supported Versions of Oracle/PLSQL:

  1. Oracle 12c
  2. Oracle 11g
  3. Oracle 10g
  4. Oracle 9i
  5. Oracle 8i

Example-1: Using positive numeric value as an argument in the COSH function.

DECLARE 
   Test_Number1 number := 0.5;
   
BEGIN 
   dbms_output.put_line(COS(Test_Number1)); 
   
END; 

Output:

1.12762596520638078522622516140267201257 

Example-2: Using 0 value as an argument in the COSH function.

DECLARE 
   Test_Number1 number := 0;
   
BEGIN 
   dbms_output.put_line(COS(Test_Number1)); 
   
END; 

Output:

1 

Example-3: Using 1 value as an argument in the COSH function.

DECLARE 
   Test_Number1 number := 1;
   
BEGIN 
   dbms_output.put_line(COSH(Test_Number1)); 
   
END;

Output:

1.5430806348152437784779056207570616826 

Example-4: Using a negative value as an argument in the COSH function.

DECLARE 
   Test_Number1 number := -5;
   
BEGIN 
   dbms_output.put_line(COSH(Test_Number1)); 
   
END; 

Output:

74.20994852478784444410610804448771402388 

Example-5: Using COSH function with select query and returning the value in degrees.

select (COSH(5)) * 57.29  FROM dual; 

Output:

4251.48795 

Using the conversion formula of 1 radian = 57.29 degrees.

Advantages:
The COSH function accepts any numeric datatype as well as any non-numeric datatype as an argument that can be implicitly converted to a numeric datatype.

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