4π 4π ω =

6/11/2014
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M108, E3 (3451491)
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Due:
Wed Jun 11 2014 06:00 PM AKDT
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Points
1.
0/31
Total
0/31
0/2 points
STrig2 3.T.001. [1949556]
-
STrig2 3.T.002. [1949794]
-
Find the radian measures that correspond to the degree measures 220° and −195°.
220°
rad
−195°
2.
rad
0/2 points
Find the degree measures that correspond to the radian measures 4π and −1.6. (Round your answers to one decimal
3
place.)
3.
4π rad
3
240 °
−1.6 rad
-91.7 °
0/2 points
STrig2 3.T.003. [1949274]
-
The rotor blades of a helicopter are 15 ft long and are rotating at 120 rpm.
(a) Find the angular speed, ω, of the rotor.
ω=
rad/min
(b) Find the linear speed, v, of a point on the tip of a blade.
v =
ft/min
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4.
Assignment Previewer
0/4 points
STrig2 3.T.004. [1949810]
-
STrig2 3.T.005. [1949611]
-
Find the exact value of each of the following.
5.
(a)
sin 750°
(b)
tan(−150°)
(c)
sec 2π
3
(d)
csc 3π
2
0/1 points
Find tan θ + sin θ for the angle θ shown.
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6.
Assignment Previewer
0/2 points
STrig2 3.T.006. [2013463]
-
STrig2 3.T.007. [1949762]
-
STrig2 3.T.008. [1949791]
-
STrig2 3.T.009. [2021246]
-
Express the lengths a and b shown in the figure in terms of θ.
a=
b=
7.
0/1 points
2
If cos θ = −
and θ is in Quadrant III, find tan θ cot θ + csc θ.
3
8.
0/1 points
If sin θ =
9.
3
3
and tan θ = − , find sec θ.
5
4
0/1 points
Express tan θ in terms of sec θ for θ in Quadrant II.
tan θ =
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10.
Assignment Previewer
0/1 points
STrig2 3.T.010. [1949425]
-
The base of the ladder in the figure is a = 10 ft from the building, and the angle formed by the ladder and the ground is
80°. How high up the building does the ladder touch? (Round your answer to one decimal place.)
56.7 ft
11.
0/2 points
STrig2 3.T.011. [1949647]
-
Express θ in each figure in terms of x.
(a)
θ=
(b)
θ=
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12.
Assignment Previewer
0/1 points
STrig2 3.T.012. [1949388]
-
STrig2 3.T.013. [2013458]
-
STrig2 3.T.014. [1949697]
-
STrig2 3.T.015. [1949575]
-
3
Find the exact value of cos tan−1
.
4
13.
0/1 points
Find the side labeled x. (Round your answer to one decimal place.)
x=
14.
10.2
0/1 points
Find the side labeled x. (Round your answer to one decimal place.)
x=
15.
239.6
0/1 points
Find the side labeled x. (Round your answer to one decimal place.)
x=
10.1
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5/8
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16.
Assignment Previewer
0/1 points
STrig2 3.T.016. [1949402]
-
STrig2 3.T.017. [2013459]
-
STrig2 3.T.018. [1949321]
-
Find the side labeled x. (Round your answer to one decimal place.)
x=
17.
20.0
0/1 points
Find the angle labeled θ. (Round your answer to one decimal place.)
θ=
18.
78.5 °
0/1 points
Find the angle labeled θ. (Round your answer to one decimal place.)
θ=
46.8 °
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19.
Assignment Previewer
0/2 points
STrig2 3.T.019. [1949409]
-
STrig2 3.T.020. [1949827]
-
Refer to the figure below.
(a) Find the area of the shaded region. (Round your answer to one decimal place.)
22.0 m2
(b) Find the perimeter of the shaded region. (Round your answer to one decimal place.)
29.2 m
20.
0/2 points
Refer to the figure below.
(a) Find the angle opposite the longest side. (Round your answer to one decimal place.)
117.3 °
(b) Find the area of the triangle. (Round your answer to one decimal place.)
48.0 units2
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21.
Assignment Previewer
0/1 points
STrig2 3.T.021. [1963678]
-
Two wires, a = 60 ft apart, tether a balloon to the ground, as shown. How high is the balloon above the ground? (Round
your answer to the nearest whole number.)
h=
332 ft
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