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"Precalculus is intended for college-level precalculus students. Since precalculus courses vary from one institution to the next, we have attempted to meet the needs of as broad an audience as possible, including all of the content that might be covered in any particular course. The result is a comprehensive book that covers more ground than an instructor could likely cover in a typical one- or two-semester course; but instructors should find, almost without fail, that the topics they wish to include in their syllabus are covered in the text. Many chapters of OpenStax College Precalculus are suitable for other freshman and sophomore math courses such as College Algebra and Trigonometry; however, instructors of those courses might need to supplement or adjust the material. OpenStax will also be releasing College Algebra and Algebra and trigonometry titles tailored to the particular scope, sequence, and pedagogy of those courses."--Preface.
"The text is suitable for a typical introductory algebra course, and was developed to be used flexibly. While the breadth of topics may go beyond what an instructor would cover, the modular approach and the richness of content ensures that the book meets the needs of a variety of programs."--Page 1.
Alex , a twenty-year-old American student, is spending the year in Nepal, backpacking and photographing. As a favor to Will – her American friend – she uses one of her Himalayan treks to seek out Maya, a young Nepali woman desperate to flee her traditional family to find work in Kathmandu. But helping Maya has unforeseen implications. Soon Alex is embroiled in a strange triangle with Maya and Will, where the lines between friendship, love, and lust grow more tangled every day. Over the course of the next eight years, Alex returns to Nepal: first to visit and to photograph, then in an attempt to help the troubled Maya. Moving between Kathmandu, New York, and the grim houses of prostitution along Falkland Road in Bombay, Alex begins to understand the pitfalls of trying to be both adventurer and savior in an unfamiliar world. In the Land of No Right Angles introduces the fiction of Daphne Beal, whose evocations of life in Nepal, and of the universal conflicts inherent to love and friendship, mark the arrival of a stunningly talented, intuitive writer.
A plain-English guide to the basics of trig Trigonometry deals with the relationship between the sides and angles of triangles... mostly right triangles. In practical use, trigonometry is a friend to astronomers who use triangulation to measure the distance between stars. Trig also has applications in fields as broad as financial analysis, music theory, biology, medical imaging, cryptology, game development, and seismology. From sines and cosines to logarithms, conic sections, and polynomials, this friendly guide takes the torture out of trigonometry, explaining basic concepts in plain English and offering lots of easy-to-grasp example problems. It also explains the "why" of trigonometry, using real-world examples that illustrate the value of trigonometry in a variety of careers. Tracks to a typical Trigonometry course at the high school or college level Packed with example trig problems From the author of Trigonometry Workbook For Dummies Trigonometry For Dummies is for any student who needs an introduction to, or better understanding of, high-school to college-level trigonometry.
"The book includes introductions, terminology and biographical notes, bibliography, and an index and glossary" --from book jacket.