miawashere
miawashere
30-06-2019
Mathematics
contestada
What is the possible solution?
Respuesta :
konrad509
konrad509
30-06-2019
[tex]\sin(3x+13)=\cos(4x)\\\sin(3x+13)=\cos(90-4x)\\3x+13=90-4x\\7x=77\\x=11[/tex]
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