cos(x-a)/Sin (x+a)
Integrate the following w.r.t x
Answers
Answered by
3
Answer: ∫ Cos(x-a)/Sin (x+a).dx
= ∫ cos[ (x+a) - (2a)]/ sin(x+a) .dx
= ∫ {Cos(x-a).cos(2a)/sin(x+a) + sin(x+a).sin(2a)/sin(x+a) } .dx =cos2a ∫ tan(x+a).dx + sin(2a) ∫ 1.dx =cos(2a).log[sec(x+a)] + x.sin(2a)
Similar questions