Sure, a great achievement no doubt about it. A good parochial school is an excellent improvement on almost any public school, but various administrations over the years seem to want to drag them down.
And no school vouchers, either!
* * *
On the issue of the achievement itself, I googled the question "Is trig based on the Pythagorean Theorem?" and now I'm thinking that the Pythagorean theorem is probably integral to trig.
In the real world, there's not such thing as a perfect triangle or perfectly straight line anyway. So all of geometry is a construct of the human mind. And yet, how extremely useful it is as a fundamental of science, engineering, etc!
So let the metaphysicians have fun arguing about this further. LOL!