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516590276
Trig. Key Angles
Name __________
#1.
\(\csc 870°\)
\(1\)
\(2\)
\(\frac{1}{2}\)
\(\frac{\sqrt{3}}{2}\)
#2.
\(\tan 90°\)
\(-\frac{\sqrt{3}}{3}\)
\(0\)
\(\frac{1}{2}\)
\(undefined\)
#3.
\(\csc \frac{\pi}{2}\)
\(-\sqrt{3}\)
\(1\)
\(\frac{\sqrt{3}}{3}\)
\(undefined\)
#4.
\(\sec \frac{11\pi}{6}\)
\(-\frac{\sqrt{3}}{3}\)
\(1\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{3}\)
#5.
\(\csc 330°\)
\(-2\)
\(-\sqrt{2}\)
\(-\sqrt{3}\)
\(\frac{\sqrt{3}}{2}\)
#6.
\(\tan 300°\)
\(-2\)
\(-\sqrt{3}\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{2}\)
#7.
\(\cot -570°\)
\(-\frac{1}{2}\)
\(-\sqrt{3}\)
\(\frac{\sqrt{2}}{2}\)
\(undefined\)
#8.
\(\tan -600°\)
\(-\sqrt{3}\)
\(1\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{2}}{2}\)
#9.
\(\cot \frac{5\pi}{4}\)
\(-2\)
\(-\frac{\sqrt{3}}{3}\)
\(1\)
\(\frac{\sqrt{3}}{2}\)
#10.
\(\csc \frac{5\pi}{3}\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\sqrt{2}\)
\(\frac{\sqrt{2}}{2}\)
\(\sqrt{3}\)
#11.
\(\tan 45°\)
\(-1\)
\(1\)
\(\frac{\sqrt{3}}{2}\)
\(undefined\)
#12.
\(\sin \frac{\pi}{2}\)
\(-\frac{2\sqrt{3}}{3}\)
\(1\)
\(\frac{\sqrt{3}}{3}\)
\(\sqrt{3}\)
#13.
\(\cos 210°\)
\(-\frac{\sqrt{3}}{2}\)
\(0\)
\(\frac{1}{2}\)
\(\frac{2\sqrt{3}}{3}\)
#14.
\(\cos \frac{3\pi}{4}\)
\(-1\)
\(-\frac{\sqrt{2}}{2}\)
\(1\)
\(\frac{2\sqrt{3}}{3}\)
#15.
\(\cot 180°\)
\(-\sqrt{3}\)
\(0\)
\(\frac{2\sqrt{3}}{3}\)
\(undefined\)
#16.
\(\sin 180°\)
\(0\)
\(2\)
\(\frac{2\sqrt{3}}{3}\)
\(\frac{\sqrt{2}}{2}\)
#17.
\(\cos 135°\)
\(-1\)
\(-2\)
\(-\frac{\sqrt{2}}{2}\)
\(undefined\)
#18.
\(\csc 300°\)
\(-\frac{2\sqrt{3}}{3}\)
\(-\frac{\sqrt{3}}{3}\)
\(\frac{2\sqrt{3}}{3}\)
\(\sqrt{2}\)
#19.
\(\cos 210°\)
\(-2\)
\(-\frac{\sqrt{3}}{2}\)
\(1\)
\(\frac{\sqrt{2}}{2}\)
#20.
\(\csc \frac{7\pi}{4}\)
\(-\frac{1}{2}\)
\(-\frac{\sqrt{2}}{2}\)
\(-\sqrt{2}\)
\(undefined\)
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
11
A
B
C
D
12
A
B
C
D
13
A
B
C
D
14
A
B
C
D
15
A
B
C
D
16
A
B
C
D
17
A
B
C
D
18
A
B
C
D
19
A
B
C
D
20
A
B
C
D