Trigonometric Ratios
Students will extend their understanding of trigonometry to angles greater than 90 degrees. They will explore the primary trigonometric ratios in all four quadrants using the Cartesian plane.
About This Topic
Students will extend their understanding of trigonometry to angles greater than 90 degrees. They will explore the primary trigonometric ratios in all four quadrants using the Cartesian plane.
Key Questions
- How do we evaluate trigonometric ratios for obtuse angles?
- What is the CAST rule?
- How do related acute angles help us find exact trigonometric values?
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