Determine whether the given functions are linearly dependent or linearly independent on the specified interval. Justify your decision.
{cos 2x, cos2x, sin2x} on (−[infinity], [infinity]) .
We have cos 2x = cos2 x − sin2 x on (−[infinity], [infinity]) , so the functions are linearly dependent.

(hurry! ) which expression is equivalent to the following complex fraction?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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