1)cos(x-П/4)=1 2)sin(x/2+П)=-1/2 3)2sin*3x=✓3 Help

Question

1)cos(x-П/4)=1
2)sin(x/2+П)=-1/2
3)2sin*3x=✓3
Help

Answer 1

1)cos(x-П/4)=1
2)sin(x/2+П)=-1/2 
3)2sin3x=✓3

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