What is the exact value of tangent of open paren pi over 12 close paren ?
A
the fraction with numerator 3 and denominator square root of 3B
the fraction with numerator 1 and denominator square root of 3C
the fraction with numerator 1 and denominator 2 minus square root of 3D
the fraction with numerator 1 and denominator 2 plus square root of 3