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Vesnalui [34]
3 years ago
15

Find the measures of the interior angles x

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0
( sorry for commenting, I need points to ask questions I dearly apologize!)
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18<br> (cos+ i sin ) ¹8<br> 6
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Answer:

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Step-by-step explanation:

1) according to the DeMoivre's theorem:

1*(cos\frac{ \pi}{6} +isin\frac{ \pi}{6})^{18}=1^{18}(cos(18*\frac{ \pi}{6})+isin(18*\frac{ \pi}{6}))=cos3\pi +isin3\pi =cos\pi +isin\pi ;

2) if cos(π)=-1 and sin(π)=0, then cosπ+i*sin(π)=-1.

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2 years ago
Determine the minimum value of the quadratic relation y=0.75(X+ 4)2 + 3.
Anestetic [448]
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3 years ago
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Answer:

C

Step-by-step explanation:

Only the x values are affected.

So you add 5 to each of the x values.

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The answer is C

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4 years ago
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KiRa [710]
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