Not using a calculator is difficult at first, but all the questions are solvable without one assuming you know the material. Since all of the tests are multiple choice, thats so you cant solve questions backwards or take a guess, you have to know what your doing.
After a while, i actually like not using a calculator.
As i said before, trig is the least of your concerns. I would practice trig now if you are that worried about it or look up videos on youtube, make sure they are by patrickjmt and he got me through most of the math i didnt understand
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