Definite IntegrationHard
Question
Options
A.π/2
B.π/4
C.π/6
D.π/8
Solution
Let x = tanθ ⇒ dx = sec2θ dθ
∴ I =
θsin θcosθ dθ
=
θ sin 2θ dθ
=
∴ I =
=
=
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