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OpenStudy (explainitlikeimfive):
Write the appropriate rotation formulas so that in a rotated system the equation has no x'y'-term.
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OpenStudy (explainitlikeimfive):
OpenStudy (anonymous):
page 4...
OpenStudy (explainitlikeimfive):
So I think I have it narrowed to options B and D.
OpenStudy (explainitlikeimfive):
And if I am correct, I would pick B.
OpenStudy (explainitlikeimfive):
@pgpilot326
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OpenStudy (explainitlikeimfive):
Am I correct?
OpenStudy (anonymous):
checking...
OpenStudy (anonymous):
cot 2theta = (10 - 6)/-4 = 4/-4 = -1 => 2theta = -pi/4 and you'd want to use your half angle identities so I'm thinking b as well.
OpenStudy (explainitlikeimfive):
Thank you very much.
OpenStudy (anonymous):
yep
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