Problem 1AYU: In a right triangle, if the length of the hypotenuse is 5 and the length of one of the other sides... Problem 2AYU: If is an acute angle, solve the equation tan= 1 2 . Express your answer in degrees, rounded to one... Problem 3AYU: If is an acute angle, solve the equation sin= 1 2 . (pp.472-475) Problem 4AYU: True or False sin 52 =cos 48 Problem 5AYU: The sum of the measures of the two acute angles in a right triangle is ________. (a) 45 (b) 90 (c)... Problem 6AYU: When you look up at an object, the acute angle measured from the horizontal to a line-of-sight... Problem 7AYU: True or False In a right triangle, if two sides are known, we can solve the triangle. Problem 8AYU: True or False In a right triangle, if we know the two acute angles, we can solve the triangle. Problem 9AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 10AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 11AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 12AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 13AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 14AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 15AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 16AYU Problem 17AYU Problem 18AYU: In Problems 9-18, find the exact value of the six trigonometric functions of the angle in each... Problem 19AYU Problem 20AYU: In Problems 19-28, find the exact value of each expression. Do not use a calculator. tan 12 cot 78 Problem 21AYU Problem 22AYU Problem 23AYU: In Problems 19-28, find the exact value of each expression. Do not use a calculator. 1 cos 2 20 ... Problem 24AYU: In Problems 19-28, find the exact value of each expression. Do not use a calculator. 1+ tan 2 5 ... Problem 25AYU: In Problems 19-28, find the exact value of each expression. Do not use a calculator. tan 20 cos 70... Problem 26AYU: In Problems 19-28, find the exact value of each expression. Do not use a calculator. cot 40 sin 50... Problem 27AYU: In Problems 19-28, find the exact value of each expression. Do not use a calculator. cos 35 sin 55 ... Problem 28AYU: In Problems 19-28, find the exact value of each expression. Do not use a calculator. sec 35 csc 55 ... Problem 29AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 30AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 31AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 32AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 33AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 34AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 35AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 36AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 37AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 38AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 39AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 40AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 41AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 42AYU: In Problems 29-42, use the right triangle shown below. Then, using the given information, solve the... Problem 43AYU: Geometry The hypotenuse of a right triangle is 5 inches. If one leg is 2 inches, find the degree... Problem 44AYU: Geometry The hypotenuse of a right triangle is 3 feet. If one leg is 1 foot, find the degree measure... Problem 45AYU: Geometry A right triangle has a hypotenuse of length 8 inches. If one angle is 35 , find the length... Problem 46AYU: Geometry A right triangle has a hypotenuse of length 10 centimeters. If one angle is 40 , find the... Problem 47AYU: Geometry A right triangle contains a 25 angle. (a) If one leg is of length 5 inches, what is the... Problem 48AYU: Geometry A right triangle contains an angle of 8 radian. (a) If one leg is of length 3 meters, what... Problem 49AYU: Finding the Width of a Gorge Find the distance from A to C across the gorge illustrated in the... Problem 50AYU: Finding the Distance across a Pond Find the distance from A to C across the pond illustrated in the... Problem 51AYU: The Eiffel Tower The tallest tower built before the era of television masts, the Eiffel Tower was... Problem 52AYU: Finding the Distance of a Ship from Shore A person in a small boat, offshore from a vertical cliff... Problem 53AYU: Finding the Distance to a Plateau Suppose that you are headed toward a plateau 50 meters high. If... Problem 54AYU: Finding the Reach of a Ladder A 22-foot extension ladder leaning against a building makes a 70 ... Problem 55AYU: Finding the Angle of Elevation of the Sun At 10 AM on April 26, 2009, a building 300 feet high cast... Problem 56AYU: Directing a Laser Beam A laser beam is to be directed through a small hole in the center of a circle... Problem 57AYU: Finding the Speed of a Truck A state trooper is hidden 30 feet from a highway. One second after a... Problem 58AYU: Security A security camera in a neighborhood bank is mounted on a wall 9 feet above the floor. What... Problem 59AYU: Parallax One method of measuring the distance from Earth to a star is the parallax method. The idea... Problem 60AYU: Parallax See Problem 59. 61 Cygni, sometimes called Bessel’s Star (after Friedrich Bessel, who... Problem 61AYU: Washington Monument The angle of elevation of the Sun is 35.1 at the instant the shadow cast by the... Problem 62AYU: Finding the Length of a Mountain Trail A straight trail with an inclination of 17 leads from a... Problem 63AYU: Finding the Bearing of an Aircraft A DC-9 aircraft leaves Midway Airport from runway 4 RIGHT, whose... Problem 64AYU Problem 65AYU: Niagara Falls Incline Railway Situated between Portage Road and the Niagara Parkway directly across... Problem 66AYU: Willis Tower Willis Tower in Chicago is the second tallest building in the United States and is... Problem 67AYU: Constructing a Highway A highway whose primary directions are north-south is being constructed along... Problem 68AYU: Photography A camera is mounted on a tripod 4 feet high at a distance of 10 feet from George, who is... Problem 69AYU: Finding the Distance between Two Objects A blimp, suspended in the air at a height of 500 feet, lies... Problem 70AYU: Hot-Air Balloon While taking a ride in a hot-air balloon in Napa Valley, Francisco wonders how high... Problem 71AYU: Mt. Rushmore To measure the height of Lincoln’s caricature on Mt. Rushmore, two sightings 800 feet... Problem 72AYU: The CN Tower The CN Tower, located in Toronto, Canada, is the tallest structure in the Americas.... Problem 73AYU: Chicago Skyscrapers The angle of inclination from the base of the John Hancock Center to the top of... Problem 74AYU: Estimating the Width of the Mississippi River A tourist at the top of the Gateway Arch (height, 630... Problem 75AYU: Finding the Pitch of a Roof A carpenter is preparing to put a roof on a garage that is 20 feet by 40... Problem 76AYU: Shooting Free Throws in Basketball The eyes of a basketball player are 6 feet above the floor. The... Problem 77AYU: Geometry Find the value of the angle in degrees rounded to the nearest tenth of a degree. Problem 78AYU: Surveillance Satellites A surveillance satellite circles Earth at a height of h miles above the... Problem 79AYU: Calculating Pool Shots A pool player located at X wants to shoot the white ball off the top cushion... Problem 80AYU: One World Trade Center One World Trade Center (1WTC) is the centerpiece of the rebuilding of the... Problem 81AYU: Explain how you would measure the width of the Grand Canyon from a point on its ridge. Problem 82AYU: Explain how you would measure the height of a TV tower that is on the roof of a tall building. Problem 83AYU: The Gibb’s Hill Lighthouse, Southampton, Bermuda In operation since 1846, the Gibb’s Hill... format_list_bulleted