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If sin theeta=3/5 , cos

  1. If sin theeta=3/5 , cos alpha= -12/13 and theeta,alpha both lie in 2nd quadrant,find the value of tan (theeta+alpha).
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    2. Anonymous asked by Anonymous
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  2. Separate the following partial differential equation into a set of three ODEs by the method of separation of variables.d^2/dt^2
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    2. gourav asked by gourav
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  3. Separate the following partial differential equation into a set of three ODEs by the method of separation of variables:d^2u/dt^2
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    2. gourav asked by gourav
    3. views icon 537 views