Attention

IronPLC supports IEC 61131-3 Structured Text excluding I/O mapping.

TAN

Returns the tangent of an angle in radians.

IEC 61131-3

Section 2.5.1.5.2

Support

Supported

Signatures

#

Input (IN)

Return Type

Support

1

REAL

REAL

Supported

2

LREAL

LREAL

Supported

Description

Returns the tangent of IN, where IN is an angle expressed in radians. The result is undefined when IN is an odd multiple of pi/2.

Example

See Also

  • SIN — sine

  • COS — cosine

  • ATAN — arc tangent