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A car travels 250 km east, then turns 25° south of east and goes 115 km. What is the resultant distance traveled?

 Mar 11, 2020
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Distance east =   250 +  115 cos (-25)

   distance south = 115 sin (-25)                             (in this situation the - signs are really not needed)

 

Then Use Pyrthagorean theorem to find the

          RESULTANTdistance =   sqrt (  (250 +115 cos25)^2     +      (115 sin 25)^2  )

 Mar 11, 2020

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