lesson
Building the Unit Circle with Reference Triangles
Construct the unit circle by placing 30°, 45°, and 60° reference triangles in each quadrant.
Updated 1 month ago · 3 views
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This lesson is part of a track
Public learning track
Angles, Radians, and the Unit Circle
9 lessons
Goal
Develop fluency with angle measure in degrees and radians, construct the unit circle, and evaluate all six trigonometric functions for any angle using reference angles and special triangles.
9 lessons
0 of 9 done
- Drawing Angles in Standard Position and Finding Coterminal AnglesUp next
- Converting Between Degrees and RadiansNot started yet
- Finding Arc Length and Sector Area Using RadiansNot started yet
- Solving Linear and Angular Speed ProblemsNot started yet
- Building the Unit Circle with Reference TrianglesYou are here
- Evaluating Sine and Cosine Using the Unit CircleNot started yet
- Evaluating Tangent, Secant, Cosecant, and CotangentNot started yet
- Using Reference Angles to Find Trigonometric ValuesNot started yet
- Memorizing Trigonometric Values for 30°, 45°, and 60°Not started yet
Learning standards covered
111.42(b)(1)(E)Texas Essential Knowledge and Skills (TEKS) · Math · 12th Gradecreate and use representations to organize, record, and communicate mathematical ideas;
Open Global Standard:OGM.13.PRF.2
111.42(b)(1)(F)Texas Essential Knowledge and Skills (TEKS) · Math · 12th Gradeanalyze mathematical relationships to connect and communicate mathematical ideas; and
Open Global Standard:OGM.13.PRF.2
OGM.13.PRF.2