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cos(2+u)=0.4161,  u=????

 Feb 9, 2015

Best Answer 

 #1
avatar+118723 
+5

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{cos}}^{\!\!\mathtt{-1}}{\left({\mathtt{0.416\: \!1}}\right)} = {\mathtt{65.411\: \!392\: \!158\: \!751^{\circ}}}$$

 

now is u in radians or in degrees?

 Feb 9, 2015
 #1
avatar+118723 
+5
Best Answer

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{cos}}^{\!\!\mathtt{-1}}{\left({\mathtt{0.416\: \!1}}\right)} = {\mathtt{65.411\: \!392\: \!158\: \!751^{\circ}}}$$

 

now is u in radians or in degrees?

Melody Feb 9, 2015

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