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CK-12’s Texas Instruments Trigonometry Student Edition FlexBook® resource is a helpful companion to a trigonometry course, providing students with more ways to understand basic trigonometric concepts ...

CK-12 Foundation’s Trigonometry FlexBook® textbook is an introduction to trigonometry for the high school student. Topics include: Trigonometric Identities & Equations, Circular Functions, and Polar E ...

CK-12’s Trigonometry Concepts is an introduction to trigonometry for the high school student. Topics include: Trigonometric Identities & Equations, Circular Functions, and Polar Equations & Complex Nu ...