Trigonometric functions: Difference between revisions

=={{header|Scala}}==

[[Category:Scala Implementations]]

{{libheader|Scala}}<lang Scala>import scala.math._

object Gonio extends App {

//Pi / 4 rad is 45 degrees. All answers should be the same.

val radians = Pi / 4

val degrees = 45.0

println(s"${sin(radians)} ${sin(toRadians(degrees))}")

//cosine

println(s"${cos(radians)} ${cos(toRadians(degrees))}")

//tangent

println(s"${tan(radians)} ${tan(toRadians(degrees))}")

//arcsine

val bgsin = asin(sin(radians))

println(s"$bgsin ${toDegrees(bgsin)}")

val bgcos = acos(cos(radians))

println(s"$bgcos ${toDegrees(bgcos)}")

//arctangent

val bgtan = atan(tan(radians))

println(s"$bgtan ${toDegrees(bgtan)}")

val bgtan2 = atan2(1, 1)

println(s"$bgtan ${toDegrees(bgtan)}")

}</lang>

=={{header|Scheme}}==