Difference between revisions of "Documentation/How Tos/Calc: ATAN2 function"
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− | __NOTOC__ | + | {{DISPLAYTITLE:ATAN2 function}} |
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== ATAN2 == | == ATAN2 == | ||
− | Returns the inverse tangent (the | + | Returns the inverse tangent (the arc tangent) for specified x and y coordinates. |
=== Syntax: === | === Syntax: === | ||
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: returns <tt>'''45'''</tt>. The tangent of <tt>'''45'''</tt> degrees is <tt>'''1'''</tt>. | : returns <tt>'''45'''</tt>. The tangent of <tt>'''45'''</tt> degrees is <tt>'''1'''</tt>. | ||
− | {{ | + | {{SeeAlso|EN| |
* [[Documentation/How_Tos/Calc: COS function|COS]] | * [[Documentation/How_Tos/Calc: COS function|COS]] | ||
* [[Documentation/How_Tos/Calc: SIN function|SIN]] | * [[Documentation/How_Tos/Calc: SIN function|SIN]] | ||
* [[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]] |
* [[Documentation/How_Tos/Calc: ACOS function|ACOS]] | * [[Documentation/How_Tos/Calc: ACOS function|ACOS]] | ||
* [[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: ACOT function|ACOT]] | + | * [[Documentation/How_Tos/Calc: ACOT function|ACOT]] |
− | * [[Documentation/How_Tos/Calc: DEGREES function|DEGREES]] | + | * [[Documentation/How_Tos/Calc: DEGREES function|DEGREES]] |
− | * [[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]]}} | ||
+ | [[Category: Documentation/Reference/Calc/Mathematical functions]] |
Latest revision as of 14:23, 31 January 2024
Trigonometric
Hyperbolic
Rounding and remainders
Logarithm/Powers
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ATAN2
Returns the inverse tangent (the arc tangent) for specified x and y coordinates.
Syntax:
ATAN2(x_coord; y_coord)
- x_coord is the value of the x coordinate.
- y_coord is the value of the y coordinate.
- ATAN2 returns the inverse trigonometric tangent, that is, the angle (in radians) between the x-axis and a line from point x_coord, y_coord to the origin. The angle returned is between -PI and PI.
- To return the angle in degrees, use the DEGREES function.
Example:
ATAN2(20; 20)
- returns 0.785398163397448 (PI/4 radians).
DEGREES(ATAN2(12.3; 12.3))
- returns 45. The tangent of 45 degrees is 1.
{{#switch:EN
| RU = Смотрите также:
| UA = Дивіться також:
| EN = See Also
| PT = Ver também
| #default = See Also
}}