1.

\operatorname{sin}^2θ+\operatorname{cos}^4θ=\operatorname{cos}^2θ+\operatorname{sin}^4θ

Answer» \operatorname{sin}^2θ+\operatorname{cos}^4θ=\operatorname{cos}^2θ+\operatorname{sin}^4θ


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