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The Cos function returns the cosine of a specified number (angle).
Cos º¯Êý¿É·µ»ØÄ³¸ö½ÇµÄÓàÏÒÖµ¡£
Cos(number) |
| ²ÎÊý | ²ÎÊý |
|---|---|
| number | Required. A numeric expression that expresses an angle in radians ±ØÑ¡Ïî¡£number ²ÎÊý¿ÉÒÔÊÇÈκν«Ä³¸ö½Ç±íʾΪ»¡¶ÈµÄÓÐЧÊýÖµ±í´ïʽ |
document.write(Cos(50.0)) Êä³ö: 0.964966028492113 |
document.write(Cos(-50.0)) Êä³ö: 0.964966028492113 |
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