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Unformatted text preview: on the interval 0 ≤ θ < 2 π . Hint: Note the equation is of the form a sin θ + b cos θ = csin θ + √ 3 cos θ = 1 [3 pts] 5. A security camera in a neighborhood bank is mounted on a wall 9 ft. above the ﬂoor. What angle of depression should be used if the camera is to be directed to a spot 6 ft. above the ﬂoor 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 α = 30 ◦ , b = 3 and c = 4....
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 Spring '11
 Gentimis
 Trigonometry, Fractions, Englishlanguage films, Following, observer, Sexagesimal

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