October 2020 0 76 Report
URGENTEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE Se x e y são arcos no primeiro quadrante tia suqe sen(x) = raiz de 3 = cos (y), então o valor de sen (x+y) + sen(x-y) é:                                                 -------------------
                                                                                          2 
a) raiz de 6               b) 3          c) raiz de 6      d) 2
-------------------           ----------        ----------------    ----------
       2                          2                  3                3
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