What is the exact value of tangent of 7 times pi over 12 question mark

negative (2 minus radical 3)
negative (2 plus radical 3)
2 minus radical 3
2 plus radical 3

What is the exact value of tangent of 7 times pi over 12 question mark negative 2 minus radical 3 negative 2 plus radical 3 2 minus radical 3 2 plus radical 3 class=