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[Post New]19 Feb 2008 18:57:19 IST
    Subject: Re:rates assured eliminate theta
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sboosy (3046)

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Olaaa!! Perrrfect answer. 536  [719 rates]
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squaring and adding the 2 eqns
 
we get
 
2+2cosa=p2+q2      .........1
from first eqn
cosa + 2cos2a-1= p
solving above as quadratic we get value of cosa in terms of p
 
substitute in 1
u get the answer
 
 
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