Exact Trigonometric Ratios: Triangles to the Unit Circle

This is a lesson in which the student learns and practices exact trig values. They are explained using triangles, then the unit circle, and then guided practice to be sure these concepts are mastered since they will be used in future problems in Pre-calculus and Calculus.
Resource ID#: 34876 Type: Lesson Plan
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General Information

Subject(s): Mathematics
Grade Level(s): 9
Intended Audience: Educators educators
Suggested Technology: Document Camera, Computer for Presenter, Internet Connection, Interactive Whiteboard, LCD Projector, Microsoft Office
Instructional Time: 2 Hour(s)
Keywords: Sine, Cosine, Tangent, Cosecant, Secant, Cotangent, Special Right Triangles, Unit Circle, Quadrantals, Reference Triangle
Instructional Component Type(s): Lesson Plan,  Worksheet,  Virtual Manipulative,  Presentation/Slideshow,  Teaching Idea
Instructional Design Framework(s): Direct Instruction, Demonstration, Structured Inquiry (Level 2), Guided Inquiry (Level 3), Cooperative Learning
Resource Collection: CPALMS Lesson Plan Development Initiative

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