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Mathematics 8 Online
OpenStudy (anonymous):

What is the value of cos=11pi/6?

OpenStudy (anonymous):

take the inverse cos

OpenStudy (mandre):

\[x = \cos ^{-1} (11\pi / 6)\]

OpenStudy (mandre):

That is if your equation is cos x =11pi/6

OpenStudy (zzr0ck3r):

are you sure this is how the question is asked? cos(theta) = radians is very uncommon thing to ask for

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