Look at the triangle shown below If tan x° = e divided by 8 and sin x° = e divided by f, what is the value of cos x°?

A. cos x° = 8 divided by f
B. cos x° = f divided by 8
C. cos x° = 8f
D. cos x° = 8e

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