8.1(two) - A security camera in a neighborhood bank is...

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Unformatted text preview: A security camera in a neighborhood bank is mounted on a wall 10 feet above the floor. What angle of depression should be used if the camera is to be directed to a spot 7 feet above the floor and 13 feet from the wall? lib-ll.) f Find the six trigonometric functions of the angle a in her figure below. I f; s c 9 r: G fine: Lth C5926": Sac Q = ' J ?) ‘ J 7‘ Meteorologists find the height of a cloud using an instrument called a ceilemeter. A ceilometer consists of a light. projecter that directs a vertical light beam up to the cloud and a light detecter that scans the cloud to detect the light. beam. See Figure 1,3(51). On. December '1, 2064, at Midway Airport in Chicage, a ceilemeter with a base of 300 feet was employed to find the height 0-1" the cloud cover. If the angle of elevation of the light detector is 75¢, what is the height of the cloud cover? Round the answer to the nearest foot. Adt‘n‘ning the top of the Board IDfTI‘adfi building in Chicago is a statue of Ceres. the Roman gwddess of wheat. From street level, two abserva‘tions are taken 400 feet from the center at the building. The angle of elevation to the. base of the statue l’(_)uncl to be 55.1”: the angle of elevation to the top of the statue is 56.5”. See Figure l4(a_}. What is the height of the statue? Round t 6 answer to the Itcarest that. EMBAS:_EE HUI) W2: l11070 iov’lgé”; ; goqggqol ylrx,:3wxm%§ - ...
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This note was uploaded on 01/16/2012 for the course MATH 127 taught by Professor Blisinhestiyas during the Fall '11 term at Truckee Meadows Community College.

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8.1(two) - A security camera in a neighborhood bank is...

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