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Outline
Trigonometric functions
Sum of interior angles
Similar triangles
Pythagoras Theorem
Trigonometric functions
Trigonometric functions
Author:
Kell Cheng
Table of Contents
Sum of interior angles
Sum of interior angles
Similar triangles
Define similar triangle
Lemma (Similar Triangle 1)
Lemma (Similar Triangles 2)
Basic Proportionality Theorem
Pythagoras Theorem
Pythagoras Theorem
Trigonometric functions
Define Trigonometric functions
Trigonometric Identities 1
Trigonometric Identities 2
Compound Angle Formulas(1)
Compound Angle Formulas(2)
Graphical mnemonic
Compound Angle Formulas(3)
Double-angle Formulas
Next
Sum of interior angles
New Resources
Cross Product in 2D and 3D
Construct a Square
Simplifying Radicals: Geometric Thin Slice
Linear Cross Section Exercise
Simplifying Radicals: Geometric Thin Slice
Discover Resources
Trig Transformations
Demo Perpendicular to Tangent
Untitled
Dodecahedron segments
Pente d'une droite
Discover Topics
Difference and Slope
Cube
Geometric Distribution
Fractions
Percentages