Practice Exam Iii Trigonometry Worksheet With Answers Page 2
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1
2
3
4
5
6
7Solve the triangle.
12)
12)
65°
7
40°
Polar coordinates of a point are given. Find the rectangular coordinates of the point.
13) (3, -135°)
13)
2π
14) 9,
14)
3
The rectangular coordinates of a point are given. Find polar coordinates of the point. Express θ in radians.
15) (-4, 4)
15)
16) (2 3, 2)
16)
17) (-4 2, -4 2)
17)
Convert the rectangular equation to a polar equation that expresses r in terms of θ.
18) x = 4
18)
19) x 2 + y 2 = 16
19)
20) (x - 16) 2 + y 2 = 256
20)
21) 8x - 3y + 10 = 0
21)
Convert the polar equation to a rectangular equation.
2π
22) θ =
22)
3
23) r 2 sin 2θ = 4
23)
24) r = -3 cos θ
24)
2
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