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Cosine and Tangent
Author:
Richard Wade
Topic:
Cosine
GeoGebra
This is part of an investigation about right angled trigonometry
https://www.teachmathematics.net/page/7791/discovering-sohcahtoa
New Resources
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Triangle with 3 Right Angles
Reflection across a line
Reflection = 180° Rotation about a Line
Exploring GeoGebra for the First Time
Discover Resources
Triangle Angle Sum
Transformation Introduction
Sine Graph
DGMC
Sampling in a Fair Way: IM 7.8.14
Discover Topics
Matrices
Random Variables
Mathematics
Conic Sections
Variance