The document appears to contain mathematical equations involving trigonometric functions like sine, cosine, and angles. It includes equations that replace terms, equalize equations by isolating and combining like terms, and contains variables like θ, φ, P, C, x, and abbreviations like sen, Ef, Ia, AB, U. The equations are relating these mathematical quantities in an unknown context.
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Potencia polos lisos
1. P y C en MS polos lisos con ra<<xs
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