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undrcvrbro
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Homework Statement
A child walks due east on the deck of a ship at 1 miles per hour.
The ship is moving north at a speed of 4 miles per hour.
Find the speed and direction of the child relative to the surface of the water.
Homework Equations
The Attempt at a Solution
I've already found the magnitude. But now I can't find the direction.
They want:
"The angle of the direction from the north = "
What does that mean? I've solved it using the inverse tangent for both angles of the triangle and apparently neither is right. So maybe it's even simpler than I think?