kyleighabryant5836 kyleighabryant5836
  • 16-05-2018
  • Mathematics
contestada

Find the value of r that will make the equation sin 31=cos r

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gmany
gmany gmany
  • 18-05-2018
Use:

[tex]\sin(90^o-\alpha)=\cos\alpha[/tex]

[tex]\sin31^o=\cos(90^o-31^o)=\cos59^o[/tex]

therefore we have answer:

r = 59
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