Evaluate the following trigonometric function at the quadrantal angle, or state that the expression is undefined.
cosecant StartFraction 3 pi Over 2 EndFraction

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A.
The value of cosecant StartFraction 3 pi Over 2 EndFraction
is
nothing.
B.
cosecant StartFraction 3 pi Over 2 EndFraction
is undefined.

100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance

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

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.