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Mathematics 18 Online
OpenStudy (anonymous):

Find the acute angle between the lines: x+2y=7, 5x-y=2

ganeshie8 (ganeshie8):

|dw:1346298747174:dw|

OpenStudy (anonymous):

Yes, that's what I want, but I don't know how to find it.

OpenStudy (anonymous):

|dw:1346336282898:dw| can u find theta and Beta

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