Pre-Calculus-Trig

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A pilot in a plane at an altitude of 22,000 feet observes that the angle of depression to a nearby airport is 26 degrees. How many miles is the airport from a point on the ground directly below the plane?

  • Pre-Calculus-Trig -

    tan 26 = (22,000/d)
    d tan 26 = 22,000
    d = 22,000 / tan 26 = 45,107

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