Index
 
  Reference for Wiring 1.0 (ALPHA) 0017+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.
Name  

cos()

   
Examples   






	


	

		Description
		 
	
	
Calculates the cosine of an angle. The cos() function expects the values of the angle parameter to be provided in radians (values between 0 and 6.28). Values are returned in the range -1 to 1.	

           
 
            
             
             
          


	

		Syntax
		 
	
	

cos(angle)

	

           
 
            
             
             
          


	

		Parameters
		 
	
	


angle
 
float: an angle measured in radians (PI to -PI)



           
 
            
             
             
          


	

		Returns
		 
	
	
the cosine (a value from -1.0 to 1.0) of the angle specified by the parameter angle	

           
 
            
             
             
          


	

		Usage
		 
	
	
Web & Application	

           
 
            
             
             
          


	

		Related
		 
	
	
sin()
tan()
atan2()
radians()