Sin Cos Tan...Whuzzah?

Yesterday I got to thinking about all the mundane things I studied in High School that now are of little use to me in 'real life'. I was thinking about things like the Sin, Con and Tan values on my calculator, when in my everyday life would I want to know the exact angle of a obtuse triangle? Or when, say while getting gas, would I ever need to know the exact center of a circle?

And what about my science and history classes? When would I need to know all about the beaver trade in lower Canada while doing IT work? Do I ever need to know anything about the periodic table of elements these days?

I know these are important things to learn and study, and for some people these concepts and facts are the very basis of their lives...I'm just saying they personally do nothing for me.

I'd love to be able to go back in time 10 or 12 years and visit myself studying notes from ecology class and be able to tell myself 'Don't worry..this will mean nothing to you in 'real life'.

What if your future self determined what you needed to study in High School? Every student gets a special meeting with their future selves, they get a curriculum of valuable, important data that their future self determines as important. No more ecology (unless you want to)..no more beaver trade or Sin Cos & Tan!

Of course...this is all impossible.