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Math Help - Exact values

  1. #1
    Newbie
    Joined
    May 2009
    Posts
    1

    Angry Exact values

    How do i solve this:
    Find first quadrant angle with the same sine as 100 degrees

    This:
    Use symmetry properties to find the exact values of the following
    sin 225 degrees

    ANd this:
    Find the exact values of the following
    sin 7pi divided by 6
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  2. #2
    Junior Member
    Joined
    Feb 2009
    Posts
    34
    How do i solve this:
    Find first quadrant angle with the same sine as 100 degrees

    180 -100 = 80
    so , the answer would be sin(80)
    sin ( 80) = 0.984807753
    sin(100) = 0.984807753

    I hope this helps you
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