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Find the exact value under the given conditions. sinα=257​,0<α<2π​;cosβ=135​,0<β<2π​ Find cos(α+β). 32536​−325253​325204

Posted: Thu Jul 14, 2022 3:57 pm
by answerhappygod
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Find the exact value under the given conditions. sinα=257​,0<α<2π​;cosβ=135​,0<β<2π​ Find cos(α+β). 32536​−325253​325204​325323​​