C tan() Function

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C tan()

The tan() function returns the tangent of a number.

This function is defined in <math.h> header file.

Example

C Compiler
#include <stdio.h> #include <math.h> int main() { printf("%lf", tan(90)); return 0; }

Syntax

tan(x)

Parameter Values

ValueTypeExplanation
x Required A number representing an angle (in radians).

Return Value

ValueExplanation
Number Returns the tangent of the given number.

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