Difference between revisions of "Documentation/How Tos/Calc: ACOS function"
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* [[Documentation/How_Tos/Calc: TAN function|TAN]] | * [[Documentation/How_Tos/Calc: TAN function|TAN]] | ||
* [[Documentation/How_Tos/Calc: COT function|COT]] | * [[Documentation/How_Tos/Calc: COT function|COT]] | ||
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* [[Documentation/How_Tos/Calc: ASIN function|ASIN]] | * [[Documentation/How_Tos/Calc: ASIN function|ASIN]] | ||
* [[Documentation/How_Tos/Calc: ATAN function|ATAN]] | * [[Documentation/How_Tos/Calc: ATAN function|ATAN]] | ||
* [[Documentation/How_Tos/Calc: ATAN2 function|ATAN2]] | * [[Documentation/How_Tos/Calc: ATAN2 function|ATAN2]] | ||
| − | * [[Documentation/How_Tos/Calc: ACOT function|ACOT]] | + | * [[Documentation/How_Tos/Calc: ACOT function|ACOT]] |
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* [[Documentation/How_Tos/Calc: DEGREES function|DEGREES]] | * [[Documentation/How_Tos/Calc: DEGREES function|DEGREES]] | ||
| − | * [[Documentation/How_Tos/Calc: PI function|PI]] | + | * [[Documentation/How_Tos/Calc: PI function|PI]] |
| − | + | * [[Documentation/How_Tos/Calc: Mathematical functions|Mathematical functions]] | |
| − | * [[Documentation/How_Tos/Calc: Mathematical functions|Mathematical functions]] | + | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] |
| − | + | ||
| − | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] | + | |
* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | ||
Revision as of 13:46, 26 February 2009
ACOS
Returns the inverse cosine (the arccosine) of a number.
Syntax:
ACOS(number)
- returns the inverse trigonometric cosine of number, in other words the angle (in radians) whose cosine is number. The angle returned is between 0 and PI.
- To return the angle in degrees, use the DEGREES function.
Example:
ACOS(-1)
- returns 3.14159265358979 (PI radians).
DEGREES(ACOS(0.5))
- returns 60. The cosine of 60 degrees is 0.5.
