tan G+1) + tant G-1)
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tan Gan are you planning
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tan ( g+1)= sin(g+1)/cos(g+1)
=( tan g + tan 1) / (1- tan g tan 1)
tan( g-1) = (tan g - tan 1)/(1+ tan g tan 1)
tan (g+1) + tant (g-1)=( tan g + tan 1) / (1- tan g tan1) + (tan g - tan 1)/(1+ tan g tan 1)
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