What are the sine, cosine, and tangent of 2 pi over 3 radians? (1 point) A. sin θ = negative square root 3 over 2 ; cos θ = 1 over 2 ; tan θ = negative square root three
B. sin θ = square root 3 over 2 ; cos θ = 1 over 2 ; tan θ = square root three
C. sin θ = negative square root 3 over 2 ; cos θ = negative 1 over 2 ; tan θ = negative square root three
D. sin θ = square root 3 over 2 ; cos θ = negative 1 over 2 ; tan θ = negative square root three

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem