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Discovering Cosine Law
Author:
Erika Scheerer
,
Ryan Smith
Topic:
Cosine
A simple triangle manipulation. The values of c^2; a^2 + b^2; and 2ab(cosC) are displayed.
GeoGebra
Drag the verticies of the triangle. Consider how are the shown values connected.
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त्रिभुज में कोण और भुजाओं का सम्बन्ध- Relation between Angle and sides in a Triangle
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