Question

How to calculate PI value with acos() function in Scala

Answer 1

object Main extends App {
  val pi: Double = Math.acos(-1)
  
  println(s"pi = $pi")
}


 
 
/*
run:
   
pi = 3.141592653589793
 
*/

 

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Answer 2

object Main extends App {
  val pi: Double = 2 * Math.acos(0.0); 
  
  println(s"pi = $pi")
}


 
 
/*
run:
   
pi = 3.141592653589793
 
*/

 

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