Merge branch 'master' of http://bdgit.educoder.net/m5hcxmzt2/pbgr648qj

trigonometric_function.java

@@ -0,0 +1,12 @@
+public double mysin(double x) {
+		return Math.sin(x);
+	}
+	
+	public double mycos(double x) {
+		return Math.cos(x);
+	}
+	
+	public double mytan(double x) {
+		return Math.tan(x);
+	}
+