\(\left(\frac{2 \cos ^3 \theta-\cos \theta}{\sin \theta-2 \sin ^3 \theta}\right)^2+1\) విలువ, θ ≠ 45° అయితే:

1
sec2 θ
2
cot2 θ
3
cosec2 θ
4
sin2 θ

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