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10 questions
sin -270°
1
0
-1
Undefined
csc 2π
1
0
-1
Undefined
tan 180°
1
0
-1
Undefined
sin 0°
1
0
-1
Undefined
tan 270°
1
0
-1
Undefined
cos 90°
1
0
-1
Undefined
sin π
1
0
-1
Undefined
cos 360°
1
0
-1
Undefined
tan 0°
1
0
-1
Undefined
sin23π
1
0
-1
Undefined
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