Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Proofs of sine rule, cosine rule, area of a triangle

Author:Nicola Trubridge, Mr Hardman
Topic:Area, Cosine, Sine

New Resources

  • Writing and Graphing Proportional Relationships (k>0)
  • Function art 3D - waiting shed (v2)
  • Pythagorean Theorem: Extension Exercises
  • Midpoint Theorem (V2): Integer Solutions
  • Squaring a Rectangle (PST Version)

Discover Resources

  • FInd the linear function!
  • Geometry - 4.13 AP2
  • quiz 1.11,1.12 extra credit #6 DELILAH MORENO
  • LZ 7.5.9.4 Rational Numbers Multiplication
  • Limit ignores the value of a function at a point

Discover Topics

  • Rectangle
  • Perimeter
  • Algebra
  • Sequences and Series
  • Complex Numbers
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®