There are two different samples from Functions and Symbolic Reasoning. The first sample consists of Investigations 1 and 2 from Lesson 2, "Reasoning with Trigonometric Functions." These investigations introduce the cosecant, secant, and cotangent functions and begin work with trigonometric identities.
The second sample is the "Looking Back" lesson for this unit. This lesson is intended to provide students with tasks that will encourage them to look back at the unit as a whole. Students review, synthesize, and apply the knowledge gained during the study of the unit.
Throughout the curriculum, interesting problem contexts serve as the foundation for instruction. As lessons unfold around these problem situations, classroom instruction tends to follow a common pattern as elaborated under Instructional Design.
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Algebraic representations of surfaces and conic sections are introduced in Unit 8, Space Geometry. A unit from the algebra and functions strand that develops understanding and skill in the use of standard spreadsheet operations while reviewing and extending many of the basic algebra topics from Courses 1-3 is recommended for students intending to pursue college programs in social, management, and some of the health sciences or humanities.
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