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Homework Help: Trigonometry question

  1. Jan 29, 2010 #1
    1. The problem statement, all variables and given/known data

    sin90degrees +tan45degrees

    2. Relevant equations

    3. The attempt at a solution
    my answer is 0 but my textbook says its 2. I dont understand how 2 is the answer.
    Last edited: Jan 29, 2010
  2. jcsd
  3. Jan 29, 2010 #2
    What is sin 90°? tan 45°? How exactly did you get those answers?
  4. Jan 29, 2010 #3
    I am supposed to use the values from the unit circle. so sin90degrees would = -1
  5. Jan 29, 2010 #4

    Char. Limit

    User Avatar
    Gold Member

    Really? Make sure you're going in the right direction.
  6. Jan 29, 2010 #5
    oh silly mistake. thanks alot
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