Syllabus point — Maths Interactives

Understand the unit circle definition of cos(𝜃), sin(𝜃) and tan(𝜃) and periodicity using radians.

mm-u1-t4-s2-d1

Interactive

Unit circle — cos, sin, tan

Drag a point on the unit circle to see cos θ as x, sin θ as y, and tan θ as the ray’s slope when defined — with radian wrapping for periodicity.

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