GeoGebra
GeoGebra
Trigonometry: Identities
Pythagorean Identities
Identities from Similar Right Triangles
Sum & Difference Identities
Older (Earlier) Applets
Other Identities
Trigonometry: Identities
Author:
Mallory Cumpstone
,
Tim Brzezinski
Topic:
Trigonometry
Table of Contents
Pythagorean Identities
Pythagorean Trigonometric Identity (1)
Trig ID Movie (II)
Trig ID Movie (III)
Identities from Similar Right Triangles
Trig Identities from Similar Right Triangles (I)
Trig Identities from Similar Right Triangles (II)
Sum & Difference Identities
Sine & Cosine of a Sum: Discovery
Tangent of a Sum: Discovery
sin(75) & cos(75) activity
Older (Earlier) Applets
sin(a + b) & cos(a + b) - Discovery
sin(a + b) & cos(a + b) - Discovery - (Solution)
Other Identities
A Very Unusual Trig Identity
What "CO" in COsine Means
Bizzare Trig Identity?
Law of Cosines: Discovery
Next
Pythagorean Trigonometric Identity (1)
New Resources
Making a heart with maths
Quick Surface of Revolution Creator
TOPIC 2.7 Composition of Functions
Collinear Meaning
Building Thinking Classrooms Automated Grading Rubric
Discover Resources
Task 2 -2
משולשים שווי שטח
Ray Mark's own design: ANIMATION
Triangle circumcenter
Goniometrische getallen van een scherpe hoek
Discover Topics
Centroid or Barycenter
Rhombus
Set Theory
Orthocenter
Terms
