Lighthouse

Autor:Sham

Here is a classic question, given the height of a lighthouse (PQ) , the bearings of two ships and the respective angle of depression, can you find the distance between the two ships (ST)?

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bewijs stelling van Pythagoras
Parallelogram Linkage
Tangent Vector (2)
Sine and Cosine on the Unit Circle
Parallel Line Image Maker

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สำรวจ22
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MyGlobalEllipse
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