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Cotangent of pi/5 in decimals.

Guest Mar 13, 2017

Best Answer 

 #1
avatar+12560 
+5

1.37638192

 

1/(0.726542528005) = 1.3763819204718572

ElectricPavlov  Mar 13, 2017
 #1
avatar+12560 
+5
Best Answer

1.37638192

 

1/(0.726542528005) = 1.3763819204718572

ElectricPavlov  Mar 13, 2017
 #2
avatar+19616 
+5

Cotangent of pi/5 in decimals.

 

\(\begin{array}{|rcll|} \hline && \cot(\frac{\pi}{5}) \\ &=& \cot( 36^{\circ} ) \\ &=& \frac{ 1 } { \tan(36^{\circ}) } \\ &=& \frac{ 1 } { \sqrt{5-2\cdot \sqrt{5} } } \\ &=& 1.3763819204711735382 \\ \hline \end{array}\)

 

laugh

heureka  Mar 13, 2017
 #3
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0

Thank you guys!

Guest Mar 13, 2017

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