If sin(θ)+csc(θ)=k\sin(\theta) + \csc(\theta) = ksin(θ)+csc(θ)=k, express sin2(θ)+csc2(θ)\sin^2(\theta) + \csc^2(\theta)sin2(θ)+csc2(θ) in terms of kkk.
k2−1k^2 - 1k2−1
k2−2k^2 - 2k2−2
k2k^2k2
k2+2k^2 + 2k2+2