private void tan(object sender, EventArgs e)
{
Funcoes funcoes = new Funcoes();
funcoes.setTxt_1(txt_3[0].Text);
FuncoesBLL.validadados(funcoes);
if (Erro.getErro())
{
MessageBox.Show(Erro.getMens());
}
else
{
double y1;
y1 = Math.Round(Math.Tan((float.Parse(txt_3[0].Text) * Math.PI / 180)), 4);
float x1 = float.Parse(txt_3[0].Text);
System.Windows.Forms.DataVisualization.Charting.Series series1 = new System.Windows.Forms.DataVisualization.Charting.Series();
series1.ChartArea = "ChartArea1";
series1.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Point;
series1.Legend = "Legend1";
series1.Name = "tan(" + x1 + ") = " + y1;
this.chart1.Series.Add(series1);
chart1.Series[i].Points.AddXY(x1, y1);
i = i + 1;
}
}
private void eq2(object sender, EventArgs e)
{
Funcoes funcoes = new Funcoes();
funcoes.setTxt_1(txt_2[0].Text);
funcoes.setTxt_2(txt_2[1].Text);
funcoes.setTxt_3(txt_2[2].Text);
FuncoesBLL.validadados3(funcoes);
if (Erro.getErro())
{
MessageBox.Show(Erro.getMens());
}
else
{
double y = 0;
System.Windows.Forms.DataVisualization.Charting.Series series1 = new System.Windows.Forms.DataVisualization.Charting.Series();
series1.ChartArea = "ChartArea1";
series1.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
series1.Legend = "Legend1";
series1.Name = "y = +(" + funcoes.getTxt_1() + ") x² +(" + funcoes.getTxt_2() + ") x +(" + funcoes.getTxt_3() + ")";
this.chart1.Series.Add(series1);
for (int x = -10; x <= 10; x++)
{
y = float.Parse(funcoes.getTxt_1()) * Math.Pow(x, 2) + float.Parse(funcoes.getTxt_2()) * x + float.Parse(funcoes.getTxt_3());
chart1.Series[i].Points.AddXY(x, y);
}
i = i + 1;
}
}