// takes the inverse cosine of the number and returns it in the selected angle units (rads/degrees)
private void inverseCosineButton_Click(object sender, EventArgs e)
{
functions.InverseCosine();
display.Text = functions.Entry;
}
// takes the inverse cosine of the number and returns it in the selected angle units (rads/degrees)
private void inverseCosineButton_Click(object sender, EventArgs e)
{
functions.InverseCosine();
display.Text = functions.Entry;
}