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Math Help - trig questions...please help

  1. #1
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    trig questions...please help

    There are only 5 problems...I was wondering if someone would please look over my work...the only on that I really had trouble with is number 20...Im not quite sure how to put that into my calculator...

    Last edited by aikenfan; October 29th 2007 at 03:55 PM.
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  2. #2
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    for number 20, I get 29.998
    I did 100*( tan (39deg 45') - tan(28))
    but I am not sure if it is right?
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