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Mathematics 22 Online
OpenStudy (anonymous):

I"m really confused, I don't understand how to get the exact real value of

OpenStudy (jhannybean):

of?...

OpenStudy (anonymous):

arcos (1/2)

OpenStudy (anonymous):

*arccos

OpenStudy (mathstudent55):

arccos = cos^-1 = inverse cos

OpenStudy (mathstudent55):

|dw:1370812122980:dw|

OpenStudy (primeralph):

yeah frag it.... 60 deg.

OpenStudy (anonymous):

thanks guys, but my only answer choices are pi over certain numbers

OpenStudy (primeralph):

pi/3

OpenStudy (primeralph):

|dw:1370812461734:dw|

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