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tg15∘⋅tg25∘⋅tg35∘⋅tg85=? help pls

Guest Mar 27, 2017
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 #1
avatar+89793 
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tg15∘⋅tg25∘⋅tg35∘⋅tg85=? help pls

I do not understand what you are asking.

Melody  Mar 28, 2017
 #3
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solving

Guest Mar 28, 2017
 #2
avatar+18369 
+2

tg15∘⋅tg25∘⋅tg35∘⋅tg85=? help pls

 

\( \tan(15°)\cdot \tan(25°)\cdot \tan(35°)\cdot \tan(85°)=1\)

 

laugh

heureka  Mar 28, 2017
edited by heureka  Mar 28, 2017

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