On the unit circle, where 0 <6<2x, when is tan 8 undefined?
O 0-x and 6-2x
O sin 6-cos 8
00-and-
0-
O sin e-
COS 9
3x

On the unit circle where 0 lt6lt2x when is tan 8 undefined O 0x and 62x O sin 6cos 8 00and 0 O sin e COS 9 3x class=
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