TAN

The TAN function returns the tangent of Expression (an angle expressed in radians).

SQL syntax

TAN(Expression)

Parameters

TAN has the parameter:

Parameter Description

Expression

Operand or column can be any numeric data type or any non-numeric data type that can be implicitly converted to a numeric data type.

Description

  • If Expression is of type NUMBER, the data type returned is NUMBER. For all other numeric data types, the data type returned is BINARY_DOUBLE.

  • If the value of Expression is NULL, NULL is returned.

Example

Use the TAN function to return the tangent of 135 degrees. 

Command> SELECT TAN(135 * 3.14159265359/180) "Tangent of 135 degrees" FROM dual;
< -.9999999999996898576939651230133793225994 >
1 row found.