The sin() function in Scala returns the sine of a number in the radians. The illustration below shows the mathematical representation of the sin() function.
- The
scala.math._header file is required for this function.
- This
sin()function only works for right-angled triangles.
def sin(x: Double): Double
This function requires a number that represents an angle in radians as a parameter.
In order to convert degrees to radians, use the following formula:
radians = degrees * ( Pi / 180.0 )
sin() returns the sine of a number in radians which is sent as a parameter.
If the parameter value is NaN, positive infinity, or negative infinity, then it returns NaN.
import scala.math._object Main extends App {//positive number in radiansprintln(s"The value of sin(2.3) = ${sin(2.3)}");// negative number in radiansprintln(s"The value of sin(-2.3) = ${sin(-2.3)}");//converting the degrees angle into radians and then applying sin()// degrees = 45.0// PI = 3.14159265// result first converts degrees to radians then apply sinprintln(s"The value of sin(45.0) = ${sin(45.0 * (Pi / 180.0))}");//error outputsprintln(s"The value of sin(Double.PositiveInfinity) = ${sin(Double.PositiveInfinity)}");println(s"The value of sin(Double.NegativeInfinity) = ${sin(Double.NegativeInfinity)}");println(s"The value of sin(Double.NaN) = ${sin(Double.NaN)}");}