TrigonometricFunction.java

TrigonometricFunction.java

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+package 三角函数运算;
+
+import java.math.*;
+public class TrigonometricFunction {
+	
+	static double x;
+    public TrigonometricFunction (double x)
+    {
+    	this.x=x;
+    }
+	public static double sin( ) //计算角度x对应的正弦值
+	{
+		return Math.sin(Math.toRadians(x));//Math.toRadians()将角度转换为弧度
+		
+	}
+	public static double cos()//计算角度x对应的余弦值
+	{
+		return  Math.cos(Math.toRadians(x));
+	}
+	public static double tan()//计算角度x对应的正切值
+	{
+		return Math.tan(Math.toRadians(x));
+	}
+//	public static void main (String[] args)
+//	{
+//		double x=90;
+//		TrigonometricFunction t=new TrigonometricFunction(x);
+//		System.out.println(t.sin());
+//	}
+	
+}
+