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posted by Tyler on Thursday, April 15, 2010 at 5:12am.
Establish the following identity tan(x+pi/4)=1+tanx/1-tanx
Use the tan (x + y) formula. tan(x+y) = (tanx + tany)/(1 - tanx tany) with y = pi/4, tany = 1 Your right hand side should have parentheses
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