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471643818
Trig Key Angles
Name __________
#1.
\(\sin \frac{5\pi}{4}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{2}\)
\(-\sqrt{3}\)
\(\sqrt{3}\)
#2.
\(\sin 0\)
\(-2\)
\(0\)
\(\frac{1}{2}\)
\(\frac{\sqrt{2}}{2}\)
#3.
\(\sec 120°\)
\(-2\)
\(\frac{1}{2}\)
\(\sqrt{2}\)
\(undefined\)
#4.
\(\tan \frac{7\pi}{4}\)
\(-1\)
\(1\)
\(\frac{1}{2}\)
\(\frac{\sqrt{3}}{3}\)
#5.
\(\cos \frac{5\pi}{3}\)
\(-\frac{1}{2}\)
\(-\sqrt{2}\)
\(\frac{1}{2}\)
\(undefined\)
#6.
\(\csc \frac{\pi}{2}\)
\(-\sqrt{2}\)
\(1\)
\(\sqrt{2}\)
\(undefined\)
#7.
\(\cot \frac{7\pi}{6}\)
\(-\frac{2\sqrt{3}}{3}\)
\(2\)
\(\frac{\sqrt{3}}{3}\)
\(\sqrt{3}\)
#8.
\(\tan \frac{-11\pi}{3}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(\frac{1}{2}\)
\(\sqrt{3}\)
#9.
\(\sin \frac{11\pi}{4}\)
\(1\)
\(2\)
\(\frac{\sqrt{2}}{2}\)
\(\sqrt{3}\)
#10.
\(\sin 330°\)
\(-2\)
\(-\frac{1}{2}\)
\(-\frac{\sqrt{3}}{3}\)
\(\frac{2\sqrt{3}}{3}\)
#11.
\(\tan \frac{4\pi}{3}\)
\(\frac{\sqrt{2}}{2}\)
\(\frac{\sqrt{3}}{3}\)
\(\sqrt{2}\)
\(\sqrt{3}\)
#12.
\(\sin 270°\)
\(-1\)
\(-\frac{\sqrt{3}}{2}\)
\(1\)
\(2\)
#13.
\(\csc 240°\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{3}}{3}\)
\(2\)
\(\frac{\sqrt{3}}{3}\)
#14.
\(\sin -570°\)
\(-\frac{1}{2}\)
\(2\)
\(\frac{1}{2}\)
\(\frac{2\sqrt{3}}{3}\)
#15.
\(\cos \frac{-7\pi}{6}\)
\(-2\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(2\)
#16.
\(\cos \frac{2\pi}{3}\)
\(-\frac{1}{2}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(\sqrt{3}\)
#17.
\(\sec \frac{2\pi}{3}\)
\(-2\)
\(-\frac{\sqrt{3}}{3}\)
\(-\sqrt{2}\)
\(undefined\)
#18.
\(\cot \frac{-7\pi}{6}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{3}\)
\(0\)
\(\frac{\sqrt{3}}{3}\)
#19.
\(\sin \frac{5\pi}{4}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(-\sqrt{3}\)
\(\sqrt{2}\)
#20.
\(\cot 45°\)
\(-\sqrt{3}\)
\(1\)
\(\frac{1}{2}\)
\(\frac{2\sqrt{3}}{3}\)
#21.
\(\cos 210°\)
\(-2\)
\(-\frac{\sqrt{3}}{2}\)
\(0\)
\(\frac{\sqrt{2}}{2}\)
#22.
\(\csc \frac{9\pi}{4}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{2}\)
\(-\sqrt{3}\)
\(\sqrt{2}\)
#23.
\(\sin 240°\)
\(-\frac{\sqrt{3}}{2}\)
\(-\frac{\sqrt{3}}{3}\)
\(-\sqrt{3}\)
\(\frac{\sqrt{2}}{2}\)
#24.
\(\cos \frac{5\pi}{6}\)
\(-1\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(0\)
#25.
\(\csc 240°\)
\(-\frac{1}{2}\)
\(-\frac{2\sqrt{3}}{3}\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{2}\)
#26.
\(\tan 300°\)
\(-\sqrt{2}\)
\(-\sqrt{3}\)
\(0\)
\(\frac{2\sqrt{3}}{3}\)
#27.
\(\cot \frac{3\pi}{4}\)
\(-1\)
\(-\frac{1}{2}\)
\(1\)
\(\sqrt{2}\)
#28.
\(\csc \frac{7\pi}{4}\)
\(-2\)
\(-\sqrt{2}\)
\(2\)
\(\frac{1}{2}\)
#29.
\(\sin 270°\)
\(-1\)
\(-\frac{\sqrt{3}}{3}\)
\(\frac{1}{2}\)
\(undefined\)
#30.
\(\cos \frac{4\pi}{3}\)
\(-\frac{1}{2}\)
\(-\frac{\sqrt{2}}{2}\)
\(0\)
\(\frac{\sqrt{3}}{3}\)
#31.
\(\tan 30°\)
\(-1\)
\(\frac{\sqrt{3}}{2}\)
\(\frac{\sqrt{3}}{3}\)
\(undefined\)
#32.
\(\sin \frac{5\pi}{3}\)
\(-2\)
\(-\frac{\sqrt{3}}{2}\)
\(-\sqrt{3}\)
\(2\)
#33.
\(\sec 240°\)
\(-2\)
\(-\sqrt{3}\)
\(2\)
\(undefined\)
#34.
\(\sec 480°\)
\(-2\)
\(-\frac{\sqrt{2}}{2}\)
\(2\)
\(\sqrt{2}\)
#35.
\(\sin \frac{-11\pi}{6}\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{3}}{2}\)
\(\frac{1}{2}\)
\(\frac{\sqrt{3}}{3}\)
#36.
\(\csc 270°\)
\(-1\)
\(-\frac{1}{2}\)
\(2\)
\(\frac{\sqrt{3}}{3}\)
#37.
\(\sec \frac{-7\pi}{4}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(1\)
\(\sqrt{2}\)
#38.
\(\sin 60°\)
\(0\)
\(\frac{1}{2}\)
\(\frac{\sqrt{3}}{2}\)
\(\sqrt{3}\)
#39.
\(\csc \frac{4\pi}{3}\)
\(-\frac{1}{2}\)
\(-\frac{2\sqrt{3}}{3}\)
\(1\)
\(\frac{1}{2}\)
#40.
\(\sin 210°\)
\(-\frac{1}{2}\)
\(-\frac{\sqrt{2}}{2}\)
\(2\)
\(\frac{2\sqrt{3}}{3}\)
1
A
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D
2
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D
3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
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32
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33
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34
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35
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36
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37
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38
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39
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40
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