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March 2, 2015

March 2, 2015

Posted by **Mae** on Monday, October 15, 2012 at 3:02am.

- trig - incomplete -
**Steve**, Monday, October 15, 2012 at 10:08amIf the plane is at 12000', then the cliff height h is found using

h = 12000 + 4000 sec14° = 16122

- trig -
**ian**, Wednesday, October 17, 2012 at 7:39amb=8944ft

- trig -
**Dana**, Wednesday, January 16, 2013 at 11:01amI have this same question. It depends on how the question is read. Is the plane at an unknown hight 12,000 ft from the cliff? Or is the plane an unknown distance from the cliff flying at 12,000 feet? If the second then the cliff is 28,043.1 ft high. If the first AND we assume that the plane is above 8000 ft, then the cliff is 22,991.9 ft high. But what if the plane is flying lower then 8000, then I'm not sure how to read the "angle of depression". (Which might mean it HAS to be higher then 8000 ft).

I don't htink I was much help here. :p

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