Simplifica las siguientes expresiones:
csc (B+2pi)
tan (B+pi/2)
sec (B-3pi/2)
sin (B+3pi/2)
cos (B+2pi)
cot (B+pi)

Por favor explicar el procedimiento.

How do i do this activity, is appreciated

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

Which will form a composite function?