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1130908556
Trigonometry Key Angles
Name __________
#1.
\(\tan \frac{\pi}{4}\)
\(-\frac{\sqrt{2}}{2}\)
\(1\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{2}\)
#2.
\(\sin \frac{-8\pi}{3}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(\frac{\sqrt{3}}{2}\)
\(\sqrt{3}\)
#3.
\(\cos 0°\)
\(-1\)
\(-\frac{\sqrt{3}}{3}\)
\(1\)
\(\frac{\sqrt{2}}{2}\)
#4.
\(\sec \frac{5\pi}{6}\)
\(-\frac{1}{2}\)
\(-\frac{2\sqrt{3}}{3}\)
\(1\)
\(2\)
#5.
\(\csc \frac{7\pi}{6}\)
\(-2\)
\(-\frac{\sqrt{2}}{2}\)
\(-\frac{\sqrt{3}}{2}\)
\(-\frac{\sqrt{3}}{3}\)
#6.
\(\tan \frac{-7\pi}{2}\)
\(-\frac{1}{2}\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{2}}{2}\)
\(undefined\)
#7.
\(\sec 135°\)
\(-1\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\sqrt{2}\)
\(\frac{\sqrt{3}}{2}\)
#8.
\(\sin 330°\)
\(-1\)
\(-\frac{1}{2}\)
\(1\)
\(2\)
#9.
\(\tan \frac{-4\pi}{3}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{3}\)
\(0\)
\(\sqrt{2}\)
#10.
\(\sin 570°\)
\(-\frac{1}{2}\)
\(\frac{2\sqrt{3}}{3}\)
\(\sqrt{2}\)
\(undefined\)
1
A
B
C
D
2
A
B
C
D
3
A
B
C
D
4
A
B
C
D
5
A
B
C
D
6
A
B
C
D
7
A
B
C
D
8
A
B
C
D
9
A
B
C
D
10
A
B
C
D