sin(3)

sin3

Sine functions

Usage

#include <math.h>

double

sin(double x);

float

sinf(float x);

long double

sinl(long double x);

Library

Math Library (libm, -lm)

Overview

The sin(), sinf(), and sinl() functions compute the sine of x (measured in radians). A large magnitude argument may yield a result with little or no significance.

Return values

The sin(), sinf(), and sinl() functions return the sine value.

Releases

87 releases since FreeBSD 2.0.5-RELEASE; the text changed 43 times.

  1. 2.0.5
  2. 2.1.5–2.1.7.1
  3. 2.2.2–2.2.8
  4. 2.2.9
  5. 3.0–3.2
  6. 3.3–3.5.1
  7. 4.0–4.2
  8. 4.3–4.4
  9. 4.5–4.11
  10. 5.0–6.2
  11. 6.3
  12. 6.4
  13. 7.0
  14. 7.1
  15. 7.2
  16. 7.3
  17. 7.4
  18. 8.0
  19. 8.1
  20. 8.2
  21. 8.3
  22. 8.4
  23. 9.0
  24. 9.1
  25. 9.2
  26. 9.3
  27. 10.0
  28. 10.1
  29. 10.2
  30. 10.3
  31. 10.4
  32. 11.0
  33. 11.1
  34. 11.2
  35. 11.3
  36. 11.4
  37. 12.0
  38. 12.1
  39. 12.2
  40. 12.3
  41. 12.4
  42. 13.0–13.2
  43. 13.3–14.5
  44. 15.0–16.0

Standards

These functions conform to ISO/IEC 9899:1999 (“ISO C99”).

History

The sin() function first appeared in Version 1 AT&T UNIX.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.