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Homework Help Forum: Algebra

Posted by Pedro on Friday, October 9, 2009 at 4:19pm.

plane ascends at a 40° angle. When it reaches an altitude of one hundred feet, how much ground distance has it covered? To solve, use the trigonometric chart. Round the answer to the nearest tenth.

  • Algebra - MathMate, Friday, October 9, 2009 at 4:31pm

    Assuming a uniform ascending angle of 40° and an altitude of 100', the ground distance is given by
    tan(40°) = altitude / ground distance
    By the way, tan(40°) = 0.8391

    Can you take it from here?


    Do you have a trigonometric chart, or are you using the four-figure tables?


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