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10-08-2017
Mathematics

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A phane takes off at an angle of elevation of 15 ° and travels in a straight line for 3,000 meters. What is the height of plane above the ground at this instant ?

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cello10 cello10

10-08-2017

Using SOHCAHTOA we have:
sin15 = height / 3000
height = 3000 sin 15 height = 776.46m

So, the height of the plane above the ground at this instant is 776.46m

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