Verify identities Will give BRAINLIST

cot^2(x) - csc^2(x) = -1

show steps

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3