A problem related to Trigonometry

Autor:chu2005

Summer Exercise S2 --> S3 Page 63 Question 21 (You can drag B to see how the diagram changes.) Find the measure of angle ABO in order to make the distance between D and OB the longest.

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Trefoil Knot
Model sferyczny - dwunastościan-dwudziestościan
Slope and Road Signs
Damped Trochoidal Curve
Some random function

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Math
Marble_bug
concurrent points and triangles
Untitled
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Funció Tangent
Trapezoide
Distribució
Equació Lineal
Angles