displaystylex=fracpi2,frac3pi2,fracpi6,frac5pi6 Explanation:Before we solve, we need to note an identity: displaystylesin2x=2sinxcosx ...

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displaystylex=npi+left(-1 ight)^nfracpi10anddisplaystylenpi+left(-1 ight)^nfrac13pi10where n belongs khổng lồ Z.Explanation:Here,displaystylesin2x-cos3x=0 ...
Your đầu vào 2sin2x-3cosx=0 is not yet solved by the Tiger Algebra Solver. Please join our mailing danh mục to be notified when this and other topics are added. Processing ends successfully
How bởi you solve displaystyle3sin2x-3cosx=0 for displaystyle0lexle360 ?
Noah G Sep 27, 2016displaystyle3left(2sinxcosx ight)-3cosx=0displaystyle6sinxcosx-3cosx=0displaystyle3cosxleft(2sinx-1 ight)=0 ...

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Your input 3sin2x-cos2x=0 is not yet solved by the Tiger Algebra Solver. Please join our mailing danh mục to be notified when this and other topics are added. Processing ends successfully
There are two ways khổng lồ solve the equation. Your method: 2sin xcos x+cos x=0 , so cos x(2sin x+1)=0 . Thus we have either cos x=0 or sin x=-1/2 . Thus eginalign ...
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left< eginarray l l 2 & 3 \ 5 & 4 endarray ight> left< eginarray l l l 2 & 0 & 3 \ -1 & 1 & 5 endarray ight>
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