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Unit 7 of 20
Unit Circle
The circle that organizes trig.
Every topic follows the curriculum standard
Learn→See→Try→Explain→Verify→Challenge→Transfer→Master
Topics in this unit
5 topics. Each card opens a full topic workspace and supports all eight learning actions.
Unit Circle Structure
Coordinates as (cos, sin)
Quadrantal Angles
The axes
Coterminal Angles
Infinite rotations
Circular Functions
Trig for any real input
Three-pathway connections
Study this unit at three depths — current-grade mastery, advanced thinking, and competition mathematics.