PCH T10R S07

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A video solution for a related-rates/trig problem: What is the rate fo change of angle to the ground of a kite string, if the kite is 97 feet high traveling horizontally at 7.5 ft/sec, and the string is currently 158 feet long?
  1. Bernard Lockhart-Gilroy
  2. pch
  3. precalculus
  4. calculus
  5. derivatives
  6. related-rates