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Calculating adjacent side of triangle in java?
package com.ladder;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import java.lang.Math;

public class LadderActivity extends Activity {  double x;
    double r = Math.cos(1.274090354);

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

            EditText edt1 = (EditText) findViewById(R.id.et1);
            String k = edt1.toString();


        Button btn = (Button) findViewById(R.id.bt1);
         btn.setOnClickListener(new OnClickListener() {
                        public void onClick(View v) {
                Toast.makeText(getApplicationContext(), " FT", Toast.LENGTH_SHORT).show();

                // TODO Auto-generated method stub
                            }       });
    } }

//Your editText
    EditText editText = null;
    //Convert editText value to double.
    String stringValue = editText.getText().toString();
    Double doubleValue = 0.0;
    try{
        doubleValue = Double.parseDouble(stringValue);
    }catch(NumberFormatException e){
        e.printStackTrace();
    }

double angleInDegrees = 189.0;// angle in degree
        double angleInRadians = angleInDegrees * Math.PI / 180.0;

double Hypotenuse, Opposite, Adjacent;

double angleInDegrees = (double)73;// angle in degree
        double angleInRadians = angleInDegrees * Math.PI / 180.0;

        double Adjacent = Math.cos(angleInRadians) * Hypotenuse
        OR
        double Adjacent = Math.tan(angleInRadians)* Opposite

Opposite = Math.sin(angleInRadians)* Hypotenuse;
        Opposite = Math.tan(angleInRadians)*Adjacent;

Hypotenuse = Opposite/Math.sin(angleInRadians);
        Hypotenuse = Adjacent/Math.cos(angleInRadians);