Returns the cosine of a given angle in radians.
Cos(number)
Angle in radians for which you want the cosine.
The range of the result is -1 to 1.
To convert degrees to radians, multiply degrees by /180. To convert radians to degrees, multiply radians by 180/.
<!--- This snippet shows how to use Cos ---> <HTML> <HEAD> <TITLE> Cos Example </TITLE> </HEAD> <BODY bgcolor=silver> <H3>Cos Example</H3> <!--- output its Cos value ---> <CFIF IsDefined("FORM.CosNum")> <CFIF IsNumeric(#FORM.CosNum#)> Cos(<CFOUTPUT>#FORM.CosNum#</CFOUTPUT>)= <CFOUTPUT>#Cos(FORM.cosNum)# radians </CFOUTPUT> <CFELSE> <!--- if it is empty, output an error message ---> <H4>Please enter a number between -1 and 1</H4> </CFIF> </CFIF> <FORM ACTION="cos.cfm" METHOD="POST"> <P>Type in a number to get its cosine in Radians and Degrees <BR><INPUT TYPE="Text" NAME="cosNum" SIZE="25"> <P><INPUT TYPE="Submit" NAME=""> <INPUT TYPE="RESET"> </FORM> </BODY> </HTML>