∫sec^5 x?

Okay my book got the answer of 1/4sec^4 x tan^2 x + ln|sec x| + C. How the heck did they get that answer? They go through it step by step but the jumps from each step are huge so I still don't understand how they got the answer.

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- May 18th 2009, 12:51 AMAlexrey∫sec^5 x?
∫sec^5 x?

Okay my book got the answer of 1/4sec^4 x tan^2 x + ln|sec x| + C. How the heck did they get that answer? They go through it step by step but the jumps from each step are huge so I still don't understand how they got the answer. - May 18th 2009, 03:00 AMmr fantastic