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The Cosine Theorem
Author:
s-tefan
Topic:
Cosine
,
Trigonometry
The figure illustrates and proves the Cosine Theorem for acute triangles.
GeoGebra
New Resources
Variation Theory Parallelogram Proofs
Dodecahedron
Average Rate of Change: Graph a Function (1)
alg2_05_05_01_applet_exp_2_flvs
Blancmange curve (fractal)
Discover Resources
Scoring Log
量度長度
Math attachment
Poincare Disk
Folding Nets of 3D shapes
Discover Topics
Scatter Plot
Normal Distribution
Planes
Upper and Lower Sum or Riemann Sum
Incircle or Inscribed Circle