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Can any one please tell me the integeration of tanx×tan(x-a)

Can any one please tell me the integeration of tanx×tan(x-a)

Grade:12

1 Answers

Vikas TU
14149 Points
4 years ago
tan(a) = (tanx – tan(x – a))/(1 + tanx*tan(x-a))
tanx/tana – tan(x – a)/tana – 1 = tanx*tan(x-a)
Now see u can easily integerate L.HS.
as tana remains as aconstant.
 
Use by part wih tanx and tan(x-a) simple and integeration of –1 would be -x of course!

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