// takes the tangent of the number in the selected angle units (rads/degrees)
private void tangentButton_Click(object sender, EventArgs e)
{
functions.Tangent();
display.Text = functions.Entry;
}
// takes the tangent of the number in the selected angle units (rads/degrees)
private void tangentButton_Click(object sender, EventArgs e)
{
functions.Tangent();
display.Text = functions.Entry;
}