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daniellad323
daniellad323 daniellad323
  • 15-02-2017
  • Mathematics
Answered

A rocket fired straight up is tracked by an observer from the ground a mile away. (a) show that when the angle of elevation is theta, the height of the rocket in feet is h = 5280 tan theta.

Verified Answer :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 22-02-2017

Let the height of the rocket be x, then
tan theta = h / 1 mile
h = 1 tan theta miles

But 1 mile = 5280 feets

Therefore, the height in feet = 5280 tan theta.

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