By David Alan Herzog

The learn-by-doing strategy to grasp Trigonometry Why CliffsStudySolver publications? choose the identify you recognize and belief Get the knowledge you need--fast! Written by way of lecturers and academic experts Get the concise assessment fabrics and perform you must study Trigonometry, together with: factors of All components and rules * Angles and quadrants * Graphs of trigonometric capabilities * Trigonometry of triangles * Trigonometric identities * Vectors * Polar coordinates and intricate numbers * Inverse features, equations, and movement Strategic learn Aids * transparent, concise experiences of each subject * precis of formulation * desk of trigonometric capabilities * thesaurus * fabrics designed for top college and school scholars Problem-Solving procedure and instruments * Diagnostic pretest to pinpoint components that want additional research * perform questions after each chapter--with solutions and motives * Full-length perform examination with evaluation thoughts for questions you omit We take nice notes--and make studying a snap greater than Notes! CliffsAP? CliffsComplete? CliffsQuickReview? CliffsStudySolver CliffsTestPrep?

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C If you missed 9 or 10, go to “Functions of General Angles,” page 38. 11. A 12. C If you missed 11 or 12, go to “Interpolation,” page 45. 13. B If you missed 13, go to “Understanding Degree Measure,” page 59. 14. B If you missed 14, go to “Understanding Radians,” page 59. 15. C If you missed 15, go to “Relationships between Degrees and Radians,” page 60. 16. D If you missed 16, go to “The Unit Circle and Circular Functions,” page 62. Trigonometry Pretest 17. A 18. D If you missed 17 or 18, go to “Domain versus Range,” page 63.

Can you see why? Moving counterclockwise, it would have been 30° shy of a full 360° rotation. y II I 270° O III x IV A quadrantal angle. When an angle is in standard position, and its terminal side coincides with one of the axes, it is referred to as a quadrantal angle. Angles of 90°, 180°, and 270° are three examples of quadrantal angles. They are by no means all the quadrantal angles that are possible, but we’ll get to that in the next lesson. 24 CliffsStudySolver Trigonometry y II I 240° x III IV A third quadrant angle.

9. D 10. C If you missed 9 or 10, go to “Functions of General Angles,” page 38. 11. A 12. C If you missed 11 or 12, go to “Interpolation,” page 45. 13. B If you missed 13, go to “Understanding Degree Measure,” page 59. 14. B If you missed 14, go to “Understanding Radians,” page 59. 15. C If you missed 15, go to “Relationships between Degrees and Radians,” page 60. 16. D If you missed 16, go to “The Unit Circle and Circular Functions,” page 62. Trigonometry Pretest 17. A 18. D If you missed 17 or 18, go to “Domain versus Range,” page 63.