Find ddx[(x2+3x)tan⁡x−sin⁡x]\displaystyle \frac{d}{dx}\bigl[(x^{2}+3x)\tan x-\sin x\bigr].

Mathematics

Problem

Find ddx[(x2+3x)tan⁡x−sin⁡x]\displaystyle \frac{d}{dx}\bigl[(x^{2}+3x)\tan x-\sin x\bigr].

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