code: @Pure
  	@Inline(value = "1./Math.cos($1)", imported = {Math.class})
  	public static double sec(double angle) {
  		return 1. / Math.cos(angle);
  	}
docs: Replies the secant of the specified angle.
  
  <p><code>csc(a) = 1/cos(a)</code>
  
  <p><img src="./doc-files/trigo1.png" alt="[Secant function]">
  <img src="./doc-files/trigo2.png" alt="[Secant function]">
  
  @param angle the angle.
  @return the secant of the angle.