code: @Pure
  	@Inline(value = "1./Math.sin($1)", imported = {Math.class})
  	public static double csc(double angle) {
  		return 1. / Math.sin(angle);
  	}
docs: Replies the cosecant of the specified angle.
  
  <p><code>csc(a) = 1/sin(a)</code>
  
  <p><img src="./doc-files/trigo1.png" alt="[Cosecant function]">
  <img src="./doc-files/trigo3.png" alt="[Cosecant function]">
  
  @param angle the angle.
  @return the cosecant of the angle.