private void btProdVet_Click(object sender, EventArgs e)
{
Vetor3D vetorC = new Vetor3D();
Double xa = double.Parse(tbx1.Text);
Double ya = double.Parse(tby1.Text);
Double za = double.Parse(tbz1.Text);
Vetor3D vetorA = new Vetor3D(xa, ya, za);
Double xb = double.Parse(tbx2.Text);
Double yb = double.Parse(tby2.Text);
Double zb = double.Parse(tbz2.Text);
Vetor3D vetorB = new Vetor3D(xb, yb, zb);
vetorC = vetorA.prod_vet(vetorB);
tbResultado.Text = "(" + vetorC.getX() + "," + vetorC.getY() + "," + vetorC.getZ() + ")";
}
