General solution of Tan 2x -tan x by 1+tanx.tan2x
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Answer:
Tanx
Step-by-step explanation:
This is of form TanA - TanB/ 1+ TanATanB = Tan(A-B)
So
Tan2x - Tanx / 1 + Tan2x.Tanx
= Tan (2x -x)
= Tanx.
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