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1724052998
Trigonometric Key Angles
Name __________
#1.
\(\cot 60°\)
\(-\frac{\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{3}\)
\(\sqrt{2}\)
\(\sqrt{3}\)
#2.
\(\csc 120°\)
\(-\frac{\sqrt{3}}{3}\)
\(\frac{1}{2}\)
\(\frac{2\sqrt{3}}{3}\)
\(undefined\)
#3.
\(\csc 150°\)
\(-\frac{\sqrt{3}}{3}\)
\(0\)
\(2\)
\(\frac{\sqrt{2}}{2}\)
#4.
\(\sin 270°\)
\(-1\)
\(-\frac{\sqrt{2}}{2}\)
\(\frac{1}{2}\)
\(\frac{\sqrt{3}}{3}\)
#5.
\(\cot \frac{\pi}{3}\)
\(-\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{2}\)
\(\frac{\sqrt{3}}{3}\)
\(undefined\)
#6.
\(\tan 300°\)
\(-\sqrt{3}\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{2}}{2}\)
\(\frac{\sqrt{3}}{2}\)
#7.
\(\cot 240°\)
\(-2\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{3}\)
\(undefined\)
#8.
\(\sec 90°\)
\(-1\)
\(-2\)
\(-\frac{\sqrt{3}}{3}\)
\(undefined\)
#9.
\(\sin \frac{5\pi}{4}\)
\(-1\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{2}}{2}\)
\(\frac{\sqrt{2}}{2}\)
#10.
\(\tan \frac{-7\pi}{4}\)
\(-1\)
\(1\)
\(\sqrt{2}\)
\(undefined\)
#11.
\(\tan \frac{5\pi}{3}\)
\(-\sqrt{3}\)
\(2\)
\(\frac{1}{2}\)
\(\sqrt{3}\)
#12.
\(\sec 90°\)
\(-\frac{\sqrt{3}}{3}\)
\(1\)
\(2\)
\(undefined\)
#13.
\(\cot 765°\)
\(0\)
\(1\)
\(\frac{\sqrt{3}}{2}\)
\(\sqrt{2}\)
#14.
\(\sec 690°\)
\(-1\)
\(-\frac{\sqrt{3}}{2}\)
\(\frac{2\sqrt{3}}{3}\)
\(\sqrt{3}\)
#15.
\(\cot -300°\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{2}\)
\(0\)
\(\frac{\sqrt{3}}{3}\)
#16.
\(\csc \frac{3\pi}{4}\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{3}}{3}\)
\(\sqrt{2}\)
\(undefined\)
#17.
\(\sec \frac{5\pi}{6}\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{2}}{2}\)
\(0\)
\(1\)
#18.
\(\cot 45°\)
\(-\sqrt{3}\)
\(1\)
\(\frac{2\sqrt{3}}{3}\)
\(undefined\)
#19.
\(\csc \pi\)
\(-\frac{\sqrt{3}}{2}\)
\(-\sqrt{2}\)
\(\frac{\sqrt{3}}{3}\)
\(undefined\)
#20.
\(\cot \frac{4\pi}{3}\)
\(-\frac{1}{2}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{2}\)
\(\frac{\sqrt{3}}{3}\)
#21.
\(\sin 315°\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{3}\)
\(\frac{\sqrt{3}}{2}\)
#22.
\(\csc 30°\)
\(-2\)
\(0\)
\(2\)
\(\frac{\sqrt{3}}{3}\)
#23.
\(\sin \frac{5\pi}{4}\)
\(-2\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{3}\)
\(\frac{\sqrt{2}}{2}\)
#24.
\(\tan -720°\)
\(-1\)
\(0\)
\(2\)
\(\sqrt{3}\)
#25.
\(\cot \frac{7\pi}{4}\)
\(-1\)
\(-\frac{2\sqrt{3}}{3}\)
\(2\)
\(\sqrt{2}\)
#26.
\(\cot \pi\)
\(0\)
\(1\)
\(\frac{1}{2}\)
\(undefined\)
#27.
\(\tan 270°\)
\(0\)
\(1\)
\(\sqrt{2}\)
\(undefined\)
#28.
\(\tan \frac{5\pi}{6}\)
\(-\frac{1}{2}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{3}\)
\(0\)
#29.
\(\cot -270°\)
\(-\frac{\sqrt{3}}{3}\)
\(-\sqrt{3}\)
\(0\)
\(\sqrt{2}\)
#30.
\(\sec \frac{5\pi}{6}\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\sqrt{2}\)
\(1\)
\(\frac{2\sqrt{3}}{3}\)
1
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2
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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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14
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30
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