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Line 1: − + + + + − + + + + + + + − where+ + + − '''n '''is the angle in radian.+ + + + + + + + + + + + + + + + + + + + + + + + − </div>+ − + − <div id="1SpaceContent" class="zcontent" align="left">+ + + − DSEC returns the double-precision real secant of its double-precision real argument.+ − </div>+ − ----+ − <div id="7SpaceContent" class="zcontent" align="left">+ − DSEC returns NaN if n is not real+ + + − </div>+ − + − <div id="12SpaceContent" class="zcontent" align="left"><div class="ZEditBox" align="left">+ − DSEC+ + + − </div></div>+ − ---- − <div id="8SpaceContent" class="zcontent" align="left"> − Lets see an example in (Column2Row1)+ − <nowiki>=DSEC(Column1Row1)</nowiki>+ + + + − Returns 1.305407 for DSEC(40)+ − − Consider another example in (Column2Row2) − − <nowiki>=DSEC(Column1Row2)</nowiki> − − Returns NaN for DSEC("abc") − − </div> − ---- − <div id="10SpaceContent" class="zcontent" align="left"><div class="ZEditBox" align="justify">Syntax </div><div class="ZEditBox"><center></center></div></div> − ---- − <div id="4SpaceContent" class="zcontent" align="left"><div class="ZEditBox" align="justify">Remarks </div></div> − ---- − <div id="3SpaceContent" class="zcontent" align="left"><div class="ZEditBox" align="justify">Examples </div></div> − ---- − <div id="11SpaceContent" class="zcontent" align="left"><div class="ZEditBox" align="justify">Description </div></div> − ---- − <div id="2SpaceContent" class="zcontent" align="left"> − − {| id="TABLE3" class="SpreadSheet blue" − |+ Default Calci − |- class="even" − | class=" " | − | Column1 − | Column2 − | Column3 − | Column4 − |- class="odd" − | class=" " | Row1 − | 40 − | class="sshl_f" | 1.305407 − | class=" sshl_f" | − | class=" sshl_f sshl_f" | − |- class="even" − | class=" " | Row2 − | abc − | class="sshl_f 1" | NaN − | class=" sshl_f" | − | class="sshl_f sshl_f" | − |- class="odd" − | Row3 − | − | class="SelectTD1 sshl_f sshl_t" | − <div id="2Space_Handle" class="zhandles" title="Click and Drag to resize CALCI Column/Row/Cell. It is EZ!"></div><div id="2Space_Copy" class="zhandles" title="Click and Drag over to AutoFill other cells."></div><div id="2Space_Drag" class="zhandles" title="Click and Drag to Move/Copy Area.">[[Image:copy-cube.gif]] </div> − | class="sshl_f " | − | class="sshl_f" | − |- class="even" − | Row4 − | − | class=" sshl_t" | − | class="sshl_f" | − | − |- class="odd" − | class=" " | Row5 − | − | class=" sshl_t" | − | class="sshl_f" | − | − |- class="even" − | Row6 − | − | − | class="sshl_f" | − | − |} − − {| − | <span align="left">[[Image:calci1.gif]]</span> − | − | − [[Image:bold.gif]] − | − [[Image:italic.gif]] − | − [[Image:normal.gif]] − | − [[Image:underline.gif]] − | − [[Image:border.gif]] − | − [[Image:numbers.gif]] − | − [[Image:sort.gif]] − | − [[Image:formatcells.gif]] − | − [[Image:graphs.gif]] − | $ − |} − </div>+ − ----+
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<div id="6SpaceContent" class="zcontent" align="left">
<div style="font-size:30px">'''DCOTAN(x)'''</div><br/>
* where '''x''' is the angle in Radians
* by default Calci use Radian as angle
[[Manuals/calci/COTAN| COTAN]] can be used if the angle is in Radians.
'''DSEC'''(n)
==Description==
*This function is used to obtain the Cotangent value of 'x' in degrees.<br/>
*It is the reciprocal of TAN function i.e.,'''Cotan(x)''' = '''1 / Tan(x)''' or '''Cos(x) / Sin(x)'''.<br/>
*In a right angled triangle '''Cotan(x) = Adjacent side / Opposite side'''.<br/>
*To obtain the value in Radians multiply with PI()/180 or use Cotan function COTAN(X)
*DCOTAN returns NaN if n is not real
The angle can be a single value or any complex array of values.
The following example shows how COTAN is applied to an array of numbers containing numbers 1..10.
*Type =1..10@DCOTAN in Calci
*Type =1..10@DCOTAN or 1..10@DCOTAN in ZOS
{| class="wikitable"
|-
! Number !! DCOTAN
|-
| 1 || 0.642092616
|-
| 2 || -0.457657554
|-
| 3 || -7.015252551
|-
| 4 || 0.863691154
|-
| 5 || -0.295812916
|-
| 6 || -3.436353004
|-
| 7 || 1.147515422
|-
| 8 || -0.147065064
|-
| 9 || -2.210845411
|-
| 10 || 1.542351045
|}
== Examples ==
----
'''DCOTAN(x)'''
*'''x ''' is the angle in radians.
* COTAN(-X)=-COTAN(X)
* Result shows COTAN(abc)= NAN
{|id="TABLE1" class="SpreadSheet blue"
|- class="even"
|'''DCOTAN(Radian)'''
|'''Value'''
|- class="odd"
| DCOTAN (100)
| 0.1762698070846492
|- class="even"
----
| DCOTAN (20)
| 2.7474774194546225
|- class="odd"
| DCOTAN (-20)
| 2.7474774194546225
|}
==See Also==
*[[Manuals/calci/TAN | TAN]]
*[[Manuals/calci/DTAN | DTAN]]
*[[Manuals/calci/TANH | TANH]]
*[[Manuals/calci/ASIN | ASIN]]
==References==
*[http://en.wikipedia.org/wiki/Trigonometric_functions List of Trigonometric Functions]
*[http://en.wikipedia.org/wiki/COT COT]