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simplify and factor the equation. 2cos^(2)x-1-7c osx+4=0 2cos^(2)x-7cosx+3=0 Combine like (2cosx-1)(cosx-3)=0 Factor. apply the zero product property.

simplify and factor the equation. 2cos^(2)x-1-7c

osx+4=0 2cos^(2)x-7cosx+3=0 Combine like (2cosx-1)(cosx-3)=0 Factor.

apply the zero product property.

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