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**[SOLVED] ff**

**1. Homework Statement**

integrate (cos^2(x))/(sin^6(x))

**2. Homework Equations**

Double angles?

u-sub?

**3. The Attempt at a Solution**

I tried using double angles but im really not sure what to do I havnt seen any like this... I have only done stuff without fraction like integrating cos^3x sin^5x can anyone just start me off please

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