OpenStax Precalculus (2nd Edition)
Lesson Plan
Right Triangle Trigonometry
Goals / Objectives
Define trigonometric functions as ratios of sides in a right triangle
Use SOH-CAH-TOA to evaluate trigonometric functions given side lengths
Find exact values for trigonometric functions of 30°, 45°, and 60° using special right triangles
Use cofunction identities for complementary angles
Apply right triangle trigonometry to solve real-world problems (angles of elevation and depression)
Standards
5.4
Academic Vocabulary
Not in our source material
Materials
No slides or practice set for this standard yet
Enrichment
This lesson’s brief has no Differentiation
Accommodations
Not in our source material
Anticipatory Set / Bell Work
Modeling
Check for Understanding
This lesson’s brief has no Formative Assessment or Assessment Ideas
Guided Practice
No slides or practice set for this standard yet
Independent Practice
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