A plane takes off from LAX airport and ascends for a distance of 3200 feet. If the plane traveled 2400 feet horizontally, find the plane's angle of elevation at take-off. ?

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Use pictures which include the known measurements and also the trigonometric ratios.

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Answer 1 · 2018-06-07T22:56:01

#cos^-1(3/4) = theta~~41.41^@#

The planes assent is the hypotenuse and the distance traveled is the adjacent side of the triangle.

#cos theta= "adjacent"/"hypotenuse"#

#cos theta=2400/3200#

#cos theta= 3/4#

#cos^-1(3/4) = theta~~41.41^@#