Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Proof without words: Law of cosinus

Author:Daniel Mentrard
Topic:Trigonometry

http://dmentrard.free.fr/GEOGEBRA/Maths/coslaw1MD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/coslaw1MD.html
http://dmentrard.free.fr/GEOGEBRA/Maths/coslaw1MD.html

New Resources

  • bewijs stelling van Pythagoras
  • Classifying Triangles
  • Area of a Trapezoid
  • z`]]
  • Area of a Circle Illustrated

Discover Resources

  • pointsegment
  • Circumcenter and Incenter
  • Ch 1.10 #4 Square
  • Quiz: Evaluating Trig FNS of Angles WITH Quadrant Logic (V2)
  • port
  • Euclid's Extreme and Mean Proportion Constructions

Discover Topics

  • Cone
  • Boxplot
  • Square
  • Statistics
  • Cuboid
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®