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Mimi_x3Best ResponseYou've already chosen the best response.0
\[cos\left(\frac{x}{6}\right) =\frac{1}{2}\] well have you tried it yet
 one year ago

lucky_girl_280Best ResponseYou've already chosen the best response.0
yes. it doesnt work
 one year ago

lucky_girl_280Best ResponseYou've already chosen the best response.0
i tried doing cos^1(1/2) and multiplying by 6
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.0
do you know general solutions?
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.0
\[\cos\left(\frac{x}{6}\right) =\frac{1}{2} => \frac{x}{6} =\cos^{1}\left(\frac{1}{2}\right) => \frac{x}{6} =\frac{\pi}{3} \]
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.0
are you able to do it now
 one year ago

lucky_girl_280Best ResponseYou've already chosen the best response.0
no that didnt work :( but i feel like thats almost right. How did you know it equaled pi/3?
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.0
\[\frac{x}{6} =\frac{\pi}{3} => 3x = 6\pi => x= 2\pi \] it works
 one year ago

lucky_girl_280Best ResponseYou've already chosen the best response.0
i didnt accept it lol
 one year ago
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