By Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen, Dave Sobecki

ISBN-10: 0470648058

ISBN-13: 9780470648056

The eleventh version of Analytic Trigonometry maintains to supply readers trigonometric thoughts and purposes. virtually each idea is illustrated by way of an instance by way of an identical challenge to inspire an energetic involvement within the studying strategy, and suggestion improvement proceeds from the concrete to the summary. large bankruptcy overview summaries, bankruptcy and cumulative evaluate workouts with solutions keyed to the corresponding textual content sections, powerful use of colour reviews and annotations, and well-liked screens of significant fabric to assist grasp the topic. Analytic Trigonometry, 11e comprises up to date purposes from a number of varied fields.

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**Extra info for Analytic Trigonometry with Applications, 11th**

**Example text**

Scientiﬁc and graphing calculators can approximate (almost instantly) these ratios to eight or ten signiﬁcant digits. Scientiﬁc and graphing calculators generally use different sequences of steps. Consult the user’s manual for your particular calculator. The use of a scientiﬁc calculator is assumed throughout the book, and a graphing calculator is required for many optional problems. A graphing calculator is a scientiﬁc calculator with additional capabilities, including graphing. Calculators have two trigonometric modes: degree and radian.

1. 180 sq ft 2. 023 3. 10° (B) 14°53Ј50Љ (C) 87°54Ј 4. 9 cm 5. 3 A In Problems 1–8, use a protractor and ruler to draw a right triangle with given angle u and c = 10 cm (refer to the ﬁgure). Make measurements to estimate sin u and cos u to two decimal places without using a calculator. c b u 30. tan u = 1 (to the nearest degree) 31. 8125 32. 25 (to two decimal places) (to two decimal places) 33. 4517 (to the nearest 10Ј) 34. 2557 (to the nearest 10Ј) 35. 753) (to the nearest minute) 36. 0125) (to the nearest minute) a Figure for 1–16 1.

Surveying At a position across the street 65 ft from a building, the angle to the top of the building is 42°. An antenna sits on the front edge of the roof of the building. The angle to the top of the antenna is 55°. How tall is the building? How tall is the antenna itself, not including the height of the building? 43. Surveying From the top of a lighthouse 175 ft high, the angles of depression of the top and bottom of a ﬂagpole are 40°20Ј and 44°40Ј, respectively. If the base of the lighthouse and the base of the ﬂagpole lie on the same horizontal plane, how tall is the pole?

### Analytic Trigonometry with Applications, 11th by Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen, Dave Sobecki

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