Multiply and Simplify.
( 1 + cot θ )^2
1 + 2cotθ + cot^2θ
2cotθ + csc^2θ
(1+sin2θ)/sin^2θ
Not sure what "simplify" means here. The original expression seems as simple as any of these.
( 1 + cot θ )^2
2cotθ + csc^2θ
(1+sin2θ)/sin^2θ
Not sure what "simplify" means here. The original expression seems as simple as any of these.