Integral Calculus (id: b2677d6af)

本题目来源于试卷: Integral Calculus，类别为 IB数学

[问答题]
By using the substitutog2gc3oc bj;zk9 ejg )3eod:/7v btq-+r6+*xd npm91jgq owv ion $s=\tan x$ , find $ \int \frac{\mathrm{d} x}{2+\cos 2 x}$ .
Express your answer in the form $A \arctan (B \tan x)+C $, where A, B are constants to be determined.

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