PostgreSQL/Math Functions/sin

sin(x): Returns the sine of x

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postgres=# postgres=# -- sin(x): Returns the sine of x postgres=# SELECT sin(pi() / 4) AS quarter_pi, postgres-# sin(pi() / 2) AS half_pi;

   quarter_pi     | half_pi

---

+---------

0.707106781186547 |       1

(1 row) postgres=#

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