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“Euclidean Geometry” – UNIT V: Enrichment Unit High School Mathematics “Geometry” published by HOLT, RINEHART, & WINSTON ESSENTIAL STANDARD #28—Identifies and evaluates tangent, sine, and cosine ratios for an acute angle of a right triangle; uses a table, calculator, or computer to find the ratio for a given angle or find the angle for a given ratio #29—Uses the tangent, sine, and cosine ratios for right triangles to solve application problems such as indirect-measurement problems COMPACT STANDARD #3—Uses visualization skills to explore and interpret both two- and three- dimensional geometric figures using such topics as projections, cross sections, and locus problems #48—Uses coordinate methods to explore, make conjectures, or prove properties of geometric figures, using tools such as algebra, graphing, and appropriate technology ESSENTIAL QUESTION DEPTH for MASTERY Sections COMMENTS How do you solve a right triangle using trigonometric functions? With calculator or computer 10.1 10.2 Teach inverse sine and “arcsin” as synonymous terminology How is trigonometry used in real world applications? With calculator or computer 10.1 10.2 Teach inverse sine and “arcsin” as synonymous terminology ESSENTIAL QUESTION DEPTH for MASTERY Sections COMMENTS How can visualization skills help you explore both solid and plane geometry? Locus Supplement How can coordinate methods be used to explore geometry? All Supplement Equations of Circles