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What is the integral of cos^3(x)tan^4(x)?

  1. Jan 25, 2012 #1
    i spent a lot of time solving this question but i cant solve it
  2. jcsd
  3. Jan 25, 2012 #2
    cos³(x)tan⁴(x) = cos³(x)[tan²(x)]²

    Think of a way to re-express tan²(x), expand & the rest should follow...
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