[cos24^(@)+cos5^(@)+cos175^(@)+cos204^(@...

[cos24^(@)+cos5^(@)+cos175^(@)+cos204^(@)+cos300^(@)=],[[" (a) "1/2," (b) "-1/2," (c) "(sqrt(3))/(2)," (d) "1]]

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cos24^(@)+cos55^(@)+cos125^(@)+cos204^(@)+cos300^(@)=?

cos24^(0)+cos5^(0)+cos175^(0)+cos204^(0)+cos300^(@)

cos 300^@=

cos12^(@)+cos60^(@)+cos84^(@)=cos24^(@)+cos48

cos 24^(@) cos 48^(@) cos 96^(@) cos 192^(@) =

cos175^(@)+cos65^(@)+cos55^(@)=?

cos 6^(@) sin 24^(@) cos 72^(@) =

Evaluate : cos24^(@)+cos55^(@)+cos125^(@)+cos204^(@)+cos300^(@) .

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