621963
621963 621963
  • 15-11-2021
  • Mathematics
contestada

5 sin^2 x = sin x
please help.

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Аноним Аноним
  • 15-11-2021

[tex]\\ \sf\longmapsto 5sin^2x=sinx[/tex]

  • Divide both sides by sin x

[tex]\\ \sf\longmapsto \dfrac{5sin^2x}{sinx}=\dfrac{sinx}{sinx}[/tex]

[tex]\\ \sf\longmapsto 5sinx=1[/tex]

[tex]\\ \sf\longmapsto sinx=\dfrac{1}{5}[/tex]

[tex]\\ \sf\longmapsto sinx=0.2[/tex]

[tex]\\ \sf\longmapsto x=sin^{-1}(0.2)[/tex]

[tex]\\ \sf\longmapsto x=11.53[/tex]

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