The Unit Circle Answers

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tan A =

A
5/13
B
12/13
C
5/12
D
12/5
3

tan(270°) =

A
–1
B
0
C
1
D
undefined
4

cos(0°) =

A
–1
B
0
C
1
D
undefined
5

sin(0°) =

A
–1
B
0
C
1
D
undefined
6

tan(0°) =

A
–1
B
0
C
1
D
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