Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (4th Edition)
4th Edition
ISBN: 9780134686974
Author: Michael Sullivan, Michael Sullivan III
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 7.1, Problem 80AYU
To determine
To find:
a. How far away is the office building from 1 WTC? Assume the side of the tower is vertical. Round to the nearest foot.
To determine
To find:
b. How tall is the office building? Round to the nearest foot.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (4th Edition)
Ch. 7.1 - In a right triangle, if the length of the...Ch. 7.1 - Prob. 2AYUCh. 7.1 - Prob. 3AYUCh. 7.1 - Prob. 4AYUCh. 7.1 - Prob. 5AYUCh. 7.1 - Prob. 6AYUCh. 7.1 - True or False In a right triangle, if two sides...Ch. 7.1 - Prob. 8AYUCh. 7.1 - In Problems 9-18, find the exact value of the six...Ch. 7.1 - Prob. 10AYU
Ch. 7.1 - Prob. 11AYUCh. 7.1 - Prob. 12AYUCh. 7.1 - Prob. 13AYUCh. 7.1 - Prob. 14AYUCh. 7.1 - Prob. 15AYUCh. 7.1 - Prob. 16AYUCh. 7.1 - In Problems 9-18, find the exact value of the six...Ch. 7.1 - In Problems 9-18, find the exact value of the six...Ch. 7.1 - In Problems 19-28, find the exact value of each...Ch. 7.1 - In Problems 19-28, find the exact value of each...Ch. 7.1 - In Problems 19-28, find the exact value of each...Ch. 7.1 - Prob. 22AYUCh. 7.1 - In Problems 19-28, find the exact value of each...Ch. 7.1 - In Problems 19-28, find the exact value of each...Ch. 7.1 - In Problems 19-28, find the exact value of each...Ch. 7.1 - Prob. 26AYUCh. 7.1 - In Problems 19-28, find the exact value of each...Ch. 7.1 - Prob. 28AYUCh. 7.1 - In Problems 29-42, use the right triangle shown...Ch. 7.1 - Prob. 30AYUCh. 7.1 - Prob. 31AYUCh. 7.1 - Prob. 32AYUCh. 7.1 - Prob. 33AYUCh. 7.1 - In Problems 29-42, use the right triangle shown...Ch. 7.1 - Prob. 35AYUCh. 7.1 - Prob. 36AYUCh. 7.1 - In Problems 29-42, use the right triangle shown...Ch. 7.1 - Prob. 38AYUCh. 7.1 - Prob. 39AYUCh. 7.1 - Prob. 40AYUCh. 7.1 - Prob. 41AYUCh. 7.1 - Prob. 42AYUCh. 7.1 - Prob. 43AYUCh. 7.1 - Prob. 44AYUCh. 7.1 - Prob. 45AYUCh. 7.1 - Prob. 46AYUCh. 7.1 - Geometry A right triangle contains a 25 angle. (a)...Ch. 7.1 - Prob. 48AYUCh. 7.1 - Prob. 49AYUCh. 7.1 - Prob. 50AYUCh. 7.1 - Prob. 51AYUCh. 7.1 - Prob. 52AYUCh. 7.1 - Prob. 53AYUCh. 7.1 - Prob. 54AYUCh. 7.1 - Prob. 55AYUCh. 7.1 - Prob. 56AYUCh. 7.1 - Finding the Speed of a Truck A state trooper is...Ch. 7.1 - Prob. 58AYUCh. 7.1 - Prob. 59AYUCh. 7.1 - Parallax See Problem 59. 61 Cygni, sometimes...Ch. 7.1 - Prob. 61AYUCh. 7.1 - Prob. 62AYUCh. 7.1 - Prob. 63AYUCh. 7.1 - Prob. 64AYUCh. 7.1 - Prob. 65AYUCh. 7.1 - Prob. 66AYUCh. 7.1 - Constructing a Highway A highway whose primary...Ch. 7.1 - Photography A camera is mounted on a tripod 4 feet...Ch. 7.1 - Prob. 69AYUCh. 7.1 - Prob. 70AYUCh. 7.1 - Mt. Rushmore To measure the height of Lincoln’s...Ch. 7.1 - Prob. 72AYUCh. 7.1 - Chicago Skyscrapers The angle of inclination from...Ch. 7.1 - Prob. 74AYUCh. 7.1 - Prob. 75AYUCh. 7.1 - Shooting Free Throws in Basketball The eyes of a...Ch. 7.1 - Geometry Find the value of the angle in degrees...Ch. 7.1 - Surveillance Satellites A surveillance satellite...Ch. 7.1 - Prob. 79AYUCh. 7.1 - Prob. 80AYUCh. 7.1 - Explain how you would measure the height of a TV...Ch. 7.1 - The Gibb’s Hill Lighthouse, Southampton, Bermuda...Ch. 7.1 - Prob. 84AYUCh. 7.1 - Prob. 85AYUCh. 7.1 - Prob. 86AYUCh. 7.1 - Prob. 87AYUCh. 7.2 - The difference formula for the sine function is...Ch. 7.2 - Prob. 2AYUCh. 7.2 - Prob. 3AYUCh. 7.2 - Prob. 4AYUCh. 7.2 - Prob. 5AYUCh. 7.2 - Prob. 6AYUCh. 7.2 - Prob. 7AYUCh. 7.2 - Prob. 8AYUCh. 7.2 - In Problems 9-16, solve each triangle.Ch. 7.2 - Prob. 10AYUCh. 7.2 - In Problems 9-16, solve each triangle.
Ch. 7.2 - Prob. 12AYUCh. 7.2 - Prob. 13AYUCh. 7.2 - Prob. 14AYUCh. 7.2 - Prob. 15AYUCh. 7.2 - Prob. 16AYUCh. 7.2 - In problems 17-24, solve each triangle....Ch. 7.2 - Prob. 18AYUCh. 7.2 - Prob. 19AYUCh. 7.2 - Prob. 20AYUCh. 7.2 - Prob. 21AYUCh. 7.2 - Prob. 22AYUCh. 7.2 - Prob. 23AYUCh. 7.2 - Prob. 24AYUCh. 7.2 - Prob. 25AYUCh. 7.2 - Prob. 26AYUCh. 7.2 - In problems 25-36, two sides and an angle are...Ch. 7.2 - Prob. 28AYUCh. 7.2 - Prob. 29AYUCh. 7.2 - Prob. 30AYUCh. 7.2 - Prob. 31AYUCh. 7.2 - Prob. 32AYUCh. 7.2 - Prob. 33AYUCh. 7.2 - Prob. 34AYUCh. 7.2 - Prob. 35AYUCh. 7.2 - Prob. 36AYUCh. 7.2 - Finding the Length of a Ski Lift Consult the...Ch. 7.2 - Finding the Height of a Mountain Use the...Ch. 7.2 - Finding the Height of an Airplane An aircraft is...Ch. 7.2 - Finding the Height of the Bridge over the Royal...Ch. 7.2 - Prob. 41AYUCh. 7.2 - Distance between Runners Two runners in a marathon...Ch. 7.2 - Prob. 43AYUCh. 7.2 - Prob. 44AYUCh. 7.2 - Prob. 45AYUCh. 7.2 - Prob. 46AYUCh. 7.2 - Rescue at Sea Coast Guard Station Able is located...Ch. 7.2 - Prob. 48AYUCh. 7.2 - Finding the Lean of the Leaning Tower of Pisa The...Ch. 7.2 - Prob. 50AYUCh. 7.2 - Constructing a Highway A highway whose primary...Ch. 7.2 - Calculating Distances at Sea The navigator of a...Ch. 7.2 - Prob. 53AYUCh. 7.2 - Prob. 54AYUCh. 7.2 - Prob. 55AYUCh. 7.2 - Prob. 56AYUCh. 7.2 - The Original Ferris Wheel George Washington Gale...Ch. 7.2 - Mollweide’s Formula For any triangle, Mollweide’s...Ch. 7.2 - Prob. 61AYUCh. 7.2 - Prob. 62AYUCh. 7.2 - Prob. 63AYUCh. 7.2 - Prob. 64AYUCh. 7.2 - Prob. 65AYUCh. 7.2 - Prob. 66AYUCh. 7.2 - Prob. 67AYUCh. 7.2 - Prob. 68AYUCh. 7.2 - Prob. 69AYUCh. 7.2 - Prob. 70AYUCh. 7.2 - Prob. 71AYUCh. 7.2 - Prob. 72AYUCh. 7.3 - Write the formula for the distance d from to
....Ch. 7.3 - Prob. 2AYUCh. 7.3 - Prob. 3AYUCh. 7.3 - Prob. 4AYUCh. 7.3 - Prob. 5AYUCh. 7.3 - Prob. 6AYUCh. 7.3 - Prob. 7AYUCh. 7.3 - Prob. 8AYUCh. 7.3 - In Problems 9-16, solve each triangle.Ch. 7.3 - In Problems 9-16, solve each triangle.Ch. 7.3 - In Problems 9-16, solve each triangle.
Ch. 7.3 - Prob. 12AYUCh. 7.3 - Prob. 13AYUCh. 7.3 - Prob. 14AYUCh. 7.3 - Prob. 15AYUCh. 7.3 - Prob. 16AYUCh. 7.3 - Prob. 17AYUCh. 7.3 - Prob. 18AYUCh. 7.3 - Prob. 19AYUCh. 7.3 - Prob. 20AYUCh. 7.3 - Prob. 21AYUCh. 7.3 - Prob. 22AYUCh. 7.3 - Prob. 23AYUCh. 7.3 - Prob. 24AYUCh. 7.3 - Prob. 25AYUCh. 7.3 - Prob. 26AYUCh. 7.3 - Prob. 27AYUCh. 7.3 - Prob. 28AYUCh. 7.3 - Prob. 29AYUCh. 7.3 - Prob. 30AYUCh. 7.3 - Prob. 31AYUCh. 7.3 - Prob. 32AYUCh. 7.3 - Prob. 33AYUCh. 7.3 - Prob. 34AYUCh. 7.3 - Prob. 35AYUCh. 7.3 - Prob. 36AYUCh. 7.3 - Prob. 37AYUCh. 7.3 - Prob. 38AYUCh. 7.3 - Prob. 39AYUCh. 7.3 - Prob. 40AYUCh. 7.3 - Prob. 43AYUCh. 7.3 - Navigation An airplane flies due north from Ft....Ch. 7.3 - Avoiding a Tropical Storm A cruise ship maintains...Ch. 7.3 - Revising a Flight Plan In attempting to fly from...Ch. 7.3 - Major League Baseball Field A major league...Ch. 7.3 - Little League Baseball Field According to Little...Ch. 7.3 - Prob. 49AYUCh. 7.3 - Prob. 50AYUCh. 7.3 - Prob. 51AYUCh. 7.3 - Prob. 52AYUCh. 7.3 - Soccer Angles A soccer goal is 8 yards wide....Ch. 7.3 - Prob. 55AYUCh. 7.3 - Prob. 56AYUCh. 7.3 - Building a Swing Set Clint is building a wooden...Ch. 7.3 - Prob. 58AYUCh. 7.3 - Geometry Show that the length d of a chord of a...Ch. 7.3 - Prob. 60AYUCh. 7.3 - Prob. 61AYUCh. 7.3 - Prob. 62AYUCh. 7.3 - Prob. 63AYUCh. 7.3 - Prob. 64AYUCh. 7.3 - Prob. 65AYUCh. 7.3 - Prob. 66AYUCh. 7.3 - Prob. 67AYUCh. 7.3 - Prob. 68AYUCh. 7.3 - Prob. 69AYUCh. 7.3 - Prob. 70AYUCh. 7.3 - Prob. 71AYUCh. 7.4 - The area K of a triangle whose base is b and whose...Ch. 7.4 - Prob. 2AYUCh. 7.4 - Prob. 3AYUCh. 7.4 - Prob. 4AYUCh. 7.4 - Prob. 5AYUCh. 7.4 - Prob. 6AYUCh. 7.4 - Prob. 7AYUCh. 7.4 - Prob. 8AYUCh. 7.4 - Prob. 9AYUCh. 7.4 - Prob. 10AYUCh. 7.4 - Prob. 11AYUCh. 7.4 - Prob. 12AYUCh. 7.4 - Prob. 13AYUCh. 7.4 - Prob. 14AYUCh. 7.4 - Prob. 15AYUCh. 7.4 - Prob. 16AYUCh. 7.4 - Prob. 17AYUCh. 7.4 - Prob. 18AYUCh. 7.4 - Prob. 19AYUCh. 7.4 - Prob. 20AYUCh. 7.4 - Prob. 21AYUCh. 7.4 - Prob. 22AYUCh. 7.4 - Prob. 23AYUCh. 7.4 - Prob. 24AYUCh. 7.4 - Prob. 25AYUCh. 7.4 - Prob. 26AYUCh. 7.4 - Prob. 27AYUCh. 7.4 - Prob. 28AYUCh. 7.4 - Prob. 29AYUCh. 7.4 - Prob. 30AYUCh. 7.4 - Prob. 31AYUCh. 7.4 - Prob. 32AYUCh. 7.4 - Prob. 33AYUCh. 7.4 - Prob. 34AYUCh. 7.4 - Prob. 35AYUCh. 7.4 - Area of a Segment Find the area of the segment of...Ch. 7.4 - Prob. 37AYUCh. 7.4 - Prob. 38AYUCh. 7.4 - Prob. 39AYUCh. 7.4 - Prob. 40AYUCh. 7.4 - Prob. 41AYUCh. 7.4 - Prob. 42AYUCh. 7.4 - Prob. 43AYUCh. 7.4 - Bermuda Triangle The Bermuda Triangle is roughly...Ch. 7.4 - Prob. 45AYUCh. 7.4 - Prob. 46AYUCh. 7.4 - Perfect Triangles A perfect triangle is one having...Ch. 7.4 - Prob. 52AYUCh. 7.4 - Prob. 53AYUCh. 7.4 - Refer to Problem 109 in section 6.5. Show that the...Ch. 7.4 - Prob. 55AYUCh. 7.4 - Prob. 56AYUCh. 7.4 - Prob. 57AYUCh. 7.4 - Prob. 58AYUCh. 7.4 - Prob. 59AYUCh. 7.4 - Prob. 60AYUCh. 7.4 - Prob. 61AYUCh. 7.4 - Prob. 62AYUCh. 7.4 - Prob. 63AYUCh. 7.4 - Prob. 64AYUCh. 7.4 - Prob. 65AYUCh. 7.4 - Prob. 66AYUCh. 7.5 - The amplitude A and period T of f( x )=5sin( 4x )...Ch. 7.5 - Prob. 2AYUCh. 7.5 - Prob. 3AYUCh. 7.5 - Prob. 4AYUCh. 7.5 - In Problems 5-8, an object attached to a coiled...Ch. 7.5 - Prob. 6AYUCh. 7.5 - Prob. 7AYUCh. 7.5 - Prob. 8AYUCh. 7.5 - Rework Problem 7 under the same conditions, except...Ch. 7.5 - Rework Problem 8 under the same conditions, except...Ch. 7.5 - Rework Problem 9 under the same conditions, except...Ch. 7.5 - Rework Problem 10 under the same conditions,...Ch. 7.5 - Prob. 13AYUCh. 7.5 - Prob. 14AYUCh. 7.5 - Prob. 15AYUCh. 7.5 - Prob. 16AYUCh. 7.5 - Prob. 17AYUCh. 7.5 - Prob. 18AYUCh. 7.5 - Prob. 19AYUCh. 7.5 - Prob. 20AYUCh. 7.5 - Prob. 21AYUCh. 7.5 - Prob. 22AYUCh. 7.5 - Prob. 23AYUCh. 7.5 - Prob. 24AYUCh. 7.5 - Prob. 25AYUCh. 7.5 - Prob. 26AYUCh. 7.5 - Prob. 27AYUCh. 7.5 - Prob. 28AYUCh. 7.5 - Prob. 29AYUCh. 7.5 - Prob. 30AYUCh. 7.5 - Prob. 31AYUCh. 7.5 - Prob. 32AYUCh. 7.5 - Prob. 33AYUCh. 7.5 - Prob. 34AYUCh. 7.5 - Prob. 35AYUCh. 7.5 - Prob. 36AYUCh. 7.5 - Prob. 37AYUCh. 7.5 - Prob. 38AYUCh. 7.5 - Prob. 39AYUCh. 7.5 - Prob. 40AYUCh. 7.5 - Prob. 41AYUCh. 7.5 - Prob. 42AYUCh. 7.5 - Prob. 43AYUCh. 7.5 - Prob. 44AYUCh. 7.5 - Prob. 45AYUCh. 7.5 - Prob. 46AYUCh. 7.5 - Prob. 47AYUCh. 7.5 - Prob. 48AYUCh. 7.5 - Prob. 49AYUCh. 7.5 - Prob. 50AYUCh. 7.5 - Prob. 51AYUCh. 7.5 - Prob. 52AYUCh. 7.5 - Prob. 53AYUCh. 7.5 - Prob. 54AYUCh. 7.5 - Prob. 55AYUCh. 7.5 - Prob. 56AYUCh. 7.5 - Touch- Tone Phone On a Touch Tone Phone, each...Ch. 7.5 - Prob. 58AYUCh. 7.5 - Use a graphing utility to graph the function , ....Ch. 7.5 - Prob. 62AYUCh. 7.5 - Prob. 63AYUCh. 7.5 - Prob. 64AYUCh. 7.5 - Prob. 65AYUCh. 7.5 - Prob. 66AYUCh. 7.5 - Prob. 67AYUCh. 7.5 - If cos=45,02, find the exact value of: cos2 sin2...Ch. 7 - In Problems 1 and 2, find the exact value of the...Ch. 7 - Prob. 2RECh. 7 - Prob. 3RECh. 7 - Prob. 4RECh. 7 - Prob. 5RECh. 7 - Prob. 6RECh. 7 - Prob. 7RECh. 7 - Prob. 8RECh. 7 - Prob. 9RECh. 7 - Prob. 10RECh. 7 - Prob. 11RECh. 7 - Prob. 12RECh. 7 - Prob. 13RECh. 7 - Prob. 14RECh. 7 - Prob. 15RECh. 7 - In Problems 8-20, find the remaining angle(s) and...Ch. 7 - In Problems 8-20, find the remaining angle(s) and...Ch. 7 - Prob. 18RECh. 7 - Prob. 19RECh. 7 - Prob. 20RECh. 7 - Prob. 21RECh. 7 - Prob. 22RECh. 7 - Prob. 23RECh. 7 - Prob. 24RECh. 7 - Prob. 25RECh. 7 - Prob. 26RECh. 7 - Prob. 27RECh. 7 - Prob. 28RECh. 7 - Prob. 29RECh. 7 - Prob. 30RECh. 7 - Prob. 31RECh. 7 - Prob. 32RECh. 7 - Constructing a Highway A highway whose primary...Ch. 7 - Approximating the Area of a Lake To approximate...Ch. 7 - Finding the Bearing of a Ship The Majesty leaves...Ch. 7 - Drive Wheels of an Engine The drive wheel of an...Ch. 7 - Prob. 38RECh. 7 - Simple Harmonic Motion An object attached to a...Ch. 7 - 43. The displacement d (in meter) of the bob of a...Ch. 7 - Find the exact value of the six trigonometric...Ch. 7 - Find the exact value of sin40cos50.Ch. 7 - In Problem 35, use the given information to...Ch. 7 - In Problem 35, use the given information to...Ch. 7 - In Problem 35, use the given information to...Ch. 7 - In Problem 68, solve each triangle. A=55, C=20,...Ch. 7 - In Problem 68, solve each triangle. a=3, b=7, A=40Ch. 7 - In Problem 68, solve each triangle. a=8, b=4, C=70Ch. 7 - Prob. 9CTCh. 7 - Prob. 10CTCh. 7 - Prob. 11CTCh. 7 - A hot- air balloon is flying at a height of 600...Ch. 7 - Prob. 13CTCh. 7 - Prob. 14CTCh. 7 - Madison wants to swim across Lake William from the...Ch. 7 - Prob. 16CTCh. 7 - Prob. 17CTCh. 7 - Prob. 18CTCh. 7 - Prob. 1CRCh. 7 - Prob. 2CRCh. 7 - Prob. 3CRCh. 7 - Prob. 4CRCh. 7 - Prob. 5CRCh. 7 - Prob. 6CRCh. 7 - Prob. 7CRCh. 7 - Prob. 8CRCh. 7 - Prob. 9CRCh. 7 - Prob. 10CRCh. 7 - Prob. 11CRCh. 7 - Prob. 12CRCh. 7 - Prob. 13CRCh. 7 - Prob. 14CR
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.Similar questions
- The Learning Tower of Pisa The bell tower of the cathedral in Pisa, Italy, leans 5.6 from the vertical. A tourist stands 105 m from its base, with the tower leaning directly toward her. She measures the angle of elevation to the top of the tower to be 29.2. Find the length of the tower to the nearest meter.arrow_forwardHeight of a Tower A 600-ft guy wire is attached to the top of a communications tower. If the wire makes an angle of 65 with the ground, how tall is the communications tower?arrow_forwardDistance at Sea From the top of a 200-ft lighthouse, the angle of depression to a ship in the ocean is 23.How far is the ship from the base of the lighthouse?arrow_forward
- Take this test as you would take a test in class. When you are finished, check your work against the answers given in the back of the book. A water sprinkler sprays water on a lawn over a distance of 25 feet and rotates through an angle of 130. Find the area of the lawn watered by the sprinkler.arrow_forwardLeaning Ladder A 20-ft ladder is leaning against a building. If the base of the ladder is 6 ft from the base of the building, what is the angle of elevation of the ladder? How high does the ladder reach on the building?arrow_forwardAngle of Elevation A man standing near a building notices that the angle of elevation to the top of the building is 64. He then walks 240 ft farther away from the building and finds the angle of elevation to the top to be 43. How tall is the building?arrow_forward
- Height of Cloud Cover To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75 from the horizontal. An observer 600 m away measures the angle of elevation to the spot of light to be 45. Find the height h of the cloud cover.arrow_forwardAngle of Depression A cellular telephone tower that is 120 feet tall is placed on top of a mountain that is 1200 feet above sea level. What is the angle of depression from the top of the tower to a cell phone user who is 5 horizontal miles away and 400 feet above sea level?arrow_forwardLeaning Ladder A 20-ft ladder leans against a building so that the angle between the ground and the ladder is 72. How high does the ladder reach on the building?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Trigonometry (MindTap Course List)TrigonometryISBN:9781305652224Author:Charles P. McKeague, Mark D. TurnerPublisher:Cengage LearningTrigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
- Algebra and Trigonometry (MindTap Course List)AlgebraISBN:9781305071742Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry
ISBN:9781337278461
Author:Ron Larson
Publisher:Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
Trigonometric Ratios; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=9-eHMMpQC2k;License: Standard YouTube License, CC-BY