Solve this question:
2sinx.cosx=1
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Answer:x=45
Step-by-step explanation:
>Sin(A+B)=sinAcosB+sinBcosA
>sin(2x)=sin(x+x)=sinxcosx+sinxcosx
=2sinxcosx
>Therefore, 2sinxcosx=sin2x
>sin2x=1
>2x=sin^(-1)1
>2x=90
>x=45
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