It is given that m∠AOB=42∘ and m∠EOF=66∘. By the , ∠EOF≅ ∠BOC. Therefore, m∠BOC=66∘. By the , m∠AOC=108∘, and by the , m∠AOC+m∠COD=180∘. After application of the , m∠COD=72∘.

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A: Given itegration ∫-12∫x2-2x   dy dx

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A:

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A: To evaluate:    Rewrite the given form in simplified form:

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A:

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A:

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A:

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A:

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A:

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A:

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A:

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