Is this table to finding the slope right?

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

Is every rectangle is a parallelogram? true false

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c