Difference between revisions of "Manuals/calci/RADIANS"
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− | + | =RADIANS(a)= | |
− | + | *where <math>a</math> is an angle in degrees. | |
− | + | RADIANS() converts the angle in degrees to angle in radians. | |
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− | + | == Description == | |
− | + | *One radian is the angle subtended at the center of a circle by an arc that is equal in length to the radius of the circle. | |
− | + | *The radian is represented by symbol '''rad'''. | |
− | + | *Formula for converting from degrees to radians is : | |
− | - | + | Angle in radians = angle in degrees X <math>\frac{\pi}{180}</math> |
− | + | *If argument <math>a</math> is non-numeric, Calci returns a NaN error. | |
+ | *RADIANS() can be used for array of angles from 0 to 90 degress in steps of 15 degrees as - | ||
− | + | RADIANS(0..90..15) | |
− | + | {| class="wikitable" | |
− | + | |- | |
− | + | ! ANGLE(in degrees) !! RADIANS | |
− | ---- | + | |- |
− | + | | 0 || 0 | |
+ | |- | ||
+ | | 15 || 0.2617993877991494 | ||
+ | |- | ||
+ | | 30 || 0.5235987755982988 | ||
+ | |- | ||
+ | | 45 || 0.7853981633974483 | ||
+ | |- | ||
+ | | 60 || 1.0471975511965976 | ||
+ | |- | ||
+ | | 75 || 1.3089969389957472 | ||
+ | |- | ||
+ | | 90 || 1.5707963267948966 | ||
+ | |} | ||
− | + | == Examples == | |
− | + | <div id="6SpaceContent" class="zcontent" align="left"> | |
− | + | {| id="TABLE3" class="SpreadSheet blue" | |
+ | |- class="even" | ||
+ | | class=" " | '''Function''' | ||
+ | | class=" " | '''Output''' | ||
− | + | |- class="odd" | |
+ | | class="sshl_f" |RADIANS(180) | ||
+ | | class="sshl_f" |3.141592653589793 | ||
− | + | |- class="even" | |
− | - | + | | class="sshl_f" |RADIANS(90) |
− | + | | class="sshl_f" |1.5707963267948966 | |
− | + | |- class="odd" | |
+ | | class="sshl_f" |RADIANS(360) | ||
+ | | class="sshl_f" |6.283185307179586 | ||
− | + | |- class="even" | |
− | - | + | | class="sshl_f" |RADIANS(-90) |
− | + | | class="sshl_f" |-1.5707963267948966 | |
− | + | |} | |
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− | + | == See Also == | |
− | + | *[[Manuals/calci/DEGREES | DEGREES]] | |
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− | + | ==References== | |
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− | + | *[http://en.wikipedia.org/wiki/Radian Radians] | |
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Revision as of 15:05, 16 December 2013
RADIANS(a)
- where is an angle in degrees.
RADIANS() converts the angle in degrees to angle in radians.
Description
- One radian is the angle subtended at the center of a circle by an arc that is equal in length to the radius of the circle.
- The radian is represented by symbol rad.
- Formula for converting from degrees to radians is :
Angle in radians = angle in degrees X
- If argument is non-numeric, Calci returns a NaN error.
- RADIANS() can be used for array of angles from 0 to 90 degress in steps of 15 degrees as -
RADIANS(0..90..15)
ANGLE(in degrees) | RADIANS |
---|---|
0 | 0 |
15 | 0.2617993877991494 |
30 | 0.5235987755982988 |
45 | 0.7853981633974483 |
60 | 1.0471975511965976 |
75 | 1.3089969389957472 |
90 | 1.5707963267948966 |