atan
From cppreference.com
| Defined in header <math.h>
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| float atanf( float arg ); |
(since C99) | |
| double atan( double arg ); |
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| long double atanl( long double arg ); |
(since C99) | |
Computes arc tangent of arg
[edit] Parameters
| arg | - | floating point value |
[edit] Return value
Arc tangent of arg in radians in the range of [-π/2; π/2] radians.
[edit] See also
| arc tangent, using signs to determine quadrants (function) | |
| computes arc sine (arcsin(x)) (function) | |
| computes arc cosine (arccos(x)) (function) | |
| computes tangent (tan(x)) (function) | |
| C++ documentation for atan
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