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OpenStudy (anonymous):
@=theta Sin(2@)=2sin@cos@ 2(-root5/5)(-2root5/5)? Checking my answer :)
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OpenStudy (shubhamsrg):
?? your ques is unclear,,
OpenStudy (shubhamsrg):
:|
OpenStudy (anonymous):
lol sorry, im just trying to find out the exact value for 2*(-[\sqrt{5}\]/5)*(-2[\sqrt{5}\]/5)
OpenStudy (anonymous):
Ugh I can never get it to look right
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