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Which of the expressions are equivalent to $\cscθ$ ? Select ALL that apply.

$\cfrac{\cosθ}{1-\sin^2θ}$

$\cfrac{\sinθ}{1-\cos^2θ}$

$\cfrac{1-\cos^2θ}{\sinθ}$

$\cfrac{\secθ}{\tanθ}$

$\cfrac{\cotθ}{\cosθ}$

$\cfrac{\cosθ\tanθ}{1-\cos^2θ}$