Recent content by Jacqueline MArchesseault

  1. J

    I need help with Pre-Calc! Please?

    Without a calculator how do you solve this problem: ° ? a) cos (17?/6) b) cos (-17?/6) c) sin (17?/6) d) sin (-17?/6)
  2. J

    I need help with Pre-Calc?

    Without a calculator, how do you figure out: a) cos210° b) cos(-210°) c) sin210° d) sin(-210°)
  3. J

    Pre-Calc homework help?!?

    Without a calculator how do you solve this problem: a) cos (17?/6) b) cos (-17?/6) c) sin (17?/6) d) sin (-17?/6)
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