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Outline
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
Isosceles Triangle: Quick Construction
Piano. Keyboard.
Odd or Even
Cross Product in 2D and 3D
Simplifying Radicals: Geometric Thin Slice
Discover Resources
kreis
Column Space of Plane Transformation
Incenter and Circumcenter
Surface area book
Creating Classroom Resources
Discover Topics
Secant Line or Secant
Integers
Multiplication
Rhombus
Statistics