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" 4) "1[[20.,cos6^(0).sin24^(@)*cos72^(@...

" 4) "1[[20.,cos6^(0).sin24^(@)*cos72^(@)=,3)1/16,4)1/8],[(1)-1/8,2)1/8,3)-1/4,41/4]

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cos6^(@)*sin24^(@)*cos72^(@)=

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