Mathematics · Trigonometry

Simplify: [sin8θ - cos8θsin4θ + cos4θ] + 2 cos2θ

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Simplify: [sin8θ - cos8θsin4θ + cos4θ] + 2 cos2θ

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Simplify: [sin8θ - cos8θsin4θ + cos4θ] + 2 cos2θ

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