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Unformatted text preview: on the interval 0 < 2 . Hint: Note the equation is of the form a sin + b cos = c-sin + 3 cos = 1 [3 pts] 5. A security camera in a neighborhood bank is mounted on a wall 9 ft. above the oor. What angle of depression should be used if the camera is to be directed to a spot 6 ft. above the oor and 12 ft. from the wall? [5 pts] 6. An aircraft is spotted by two observers who are 1000 feet apart. As the airplane passes over the line joining them, each observer takes a sighting of the angle of elevation to the plane. How high is the airplane? [5 pts] 7. Solve the triangle with = 30 , b = 3 and c = 4....
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