| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Javier Estévez CIFA Córdoba <javier(dot)estevez(dot)ext(at)juntadeandalucia(dot)es> |
| Cc: | pgsql-es-ayuda(at)postgresql(dot)org |
| Subject: | Re: Funciones Trigonométricas |
| Date: | 2006-02-17 13:16:25 |
| Message-ID: | 20060217131624.GA4358@surnet.cl |
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| Thread: | |
| Lists: | pgsql-es-ayuda |
Javier Estévez CIFA Córdoba escribió:
> Alguien sabe si se puede calcular en Postgres un SENO, un COSENO, etc.?
Claro
alvherre=# select pi();
pi
------------------
3.14159265358979
(1 fila)
alvherre=# select sin(pi());
sin
----------------------
1.22460635382238e-16
(1 fila)
alvherre=# select cos(pi());
cos
-----
-1
(1 fila)
alvherre=# select cos(2*pi());
cos
-----
1
(1 fila)
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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