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1. hi,

i need help integrating tan 2x please could someone do a step by step solution thankyou
2. I can't give you a step by step solution because thats against TSR rules but I can give you a hint.

You don't know how to integrate tan2x, only how to differentiate it. What you could do is write it as sin2x/cos2x and use the substitution u=cos2x

Hope this helps
3. Try using this:

4. (Original post by Joe09)
hi,

i need help integrating tan 2x please could someone do a step by step solution thankyou
tan2x = (sec2x X tan2x)/sec2x
think about the derivative of ln(sec2x).

C4 ex1c ques3a) ? lol

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Updated: November 18, 2008
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