Which expression is equivalent to StartRoot StartFraction 1 minus cosine (10 x) Over 2 EndFraction EndRoot?

Explain why the factor 1.5 is broke. into two numbers in the model.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

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