Tan, tanf, Tanh, tanhf, Tolower – Zilog ZUSBOPTS User Manual
Page 480: Tan, tanf tanh, tanhf tolower, Returns, Example, Synopsis
Standard Functions
UM017105-0511
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Zilog Developer Studio II – ZNEO™
User Manual
tan, tanf
The tangent of x (measured in radians). A large magnitude argument can yield a result
with little or no significance.
Synopsis
#include
double tan(double x);
float tanf(float x);
Returns
The tangent value.
Example
double x=2.22;
double y;
y=tan(x);
tanh, tanhf
Computes the hyperbolic tangent of x.
Synopsis
#include
double tanh(double x);
float tanhf(float x);
Returns
The hyperbolic tangent of x.
Example
double x=2.22;
double y;
y=tanh(x);
tolower
Converts an uppercase letter to the corresponding lowercase letter.