Simplify sin2(θ)tan2(θ)+sin2(θ)\sin^2(\theta)\tan^2(\theta) + \sin^2(\theta)sin2(θ)tan2(θ)+sin2(θ).
sin2(θ)\sin^2(\theta)sin2(θ)
tan2(θ)\tan^2(\theta)tan2(θ)
sin4(θ)sec2(θ)\sin^4(\theta)\sec^2(\theta)sin4(θ)sec2(θ)
sin2(θ)sec2(θ)\sin^2(\theta)\sec^2(\theta)sin2(θ)sec2(θ)