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2sin2((π2)cos2x)=1−cos(πsin2x),x≠(2n+1)π2,nϵI, then cos2x is equal to |
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Answer» 2sin2((π2)cos2x)=1−cos(πsin2x),x≠(2n+1)π2,nϵI, then cos2x is equal to |
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