GeoGebra
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
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.
New Resources
Open Middle: Graphing Linear Inequalities (4)
Simple Bridge (GeoGebra 3D Workshop)
Umbrella Holder
Open Middle Arc Length Exercise
Open Middle Cyclic Quadrilateral Exercise
Discover Resources
Median of a Triangle
forum
Function - Example 2
Converse Pythagorean Thm
Joint Probability_Step By Step_Calculation
Discover Topics
Symmetry
Integral Calculus
Root
Stochastic Process or Random Process
Indefinite Integral