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find-pi-pi-dx-2-cosx-2-if-1-2-cosx-a-0-2-n-1-a-n-cos-nx-find-a-0-and-a-n-




Question Number 30507 by abdo imad last updated on 22/Feb/18
find ∫_(−π) ^π   (dx/(2+cosx))  2) if  (1/(2+cosx))= (a_0 /2) +Σ_(n≥1) a_n  cos(nx)  find a_0  and a_n  .
findππdx2+cosx2)if12+cosx=a02+n1ancos(nx)finda0andan.

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