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OpenStudy (anonymous):
co(x+y), if tanx=sqrt3/3 on (0,pi/2) and siny=sqrt2/2 on (0,pi/2)
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OpenStudy (misty1212):
HI!!
OpenStudy (misty1212):
\[\cos(x+y)\]?
OpenStudy (misty1212):
do you know what \(y\) is?
OpenStudy (anonymous):
Not really.
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