Java tutorial
strictfp class TrigSolv { public static void main(String[] args) { double a, b, c, angleA, radA; // Apllying Pythagoras' Theorem // Obtain sides from user System.out.println("Side c in terms of sides a and b"); a = 10d; b = 20d; c = Math.sqrt((a * a) + (b * b)); System.out.println("Side c = " + c); // Using side/angle formula System.out.println("Side c in terms of side b and angle A"); b = 30d; angleA = 20d; radA = Math.toRadians(angleA); c = b * Math.tan(radA); System.out.println("Side c = " + c); } }