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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
Happy new year 2025!
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Long Division Blank Template: Max 5 Steps
closest unit squares relative to their inclination
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Discover Resources
Example of hexagon reflected about a point
Triangle Inequality
Sibley Theorem 3.3.3 -- Illustration
Findinig Unknown in Linear Equation
Discover Topics
Cuboid
Cube
Median Value
General Quadrilateral
Coordinates
