*xsecx²tanx? + xsec²x²tanx? dx 1+ sec? x?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Hello! I am an Engineering student. Please solve this integral and tell me what do you do first before solving it. Please give me tips and tricks in solving trigonometric integral problems. Like how can you say that this problem needed to rewrite before using u substitution or we ca directly proceed using u-substitution. I will be greatly indebted to you if you can give me the answers to my question. Our professor didn't explain it to us and said that it is up-to us to discover. I have no one to ask except for you the experts in this field. So please help me. Thank you so much. I will relay the tips and tricks you will tell me to all of my classmates I also want to help them. 

* xsecx?tanx? + xsec?x?tanx?
1+ sec? x?
dx
Transcribed Image Text:* xsecx?tanx? + xsec?x?tanx? 1+ sec? x? dx
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