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OpenStudy (anonymous):
Jose and Aparna were attempting to rotate the axes to eliminate the xy term for the equation . Jose used and Aparna used . The students got different equations in x’ and y’, but both were correct. Explain how this is possible.
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OpenStudy (anonymous):
jose used theta= -pi/8 aparna used theta= 3pi/8 the equation was: X^2 +2xy+ 3y^2-4x+5y-30
OpenStudy (anonymous):
looks right
OpenStudy (anonymous):
pi/2
OpenStudy (experimentx):
and ellipse huh??
OpenStudy (experimentx):
|dw:1333747790075:dw| seems myko was right
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