Trouble with Trigonometric Integral? Get Help Now!

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Homework Help Overview

The discussion revolves around a trigonometric integral problem, with participants exploring various methods to approach the integration process.

Discussion Character

  • Exploratory, Mathematical reasoning, Assumption checking

Approaches and Questions Raised

  • The original poster expresses difficulty with integrals after a long break and seeks assistance. Some participants suggest using the double angle formula, while another proposes a substitution method involving sine.

Discussion Status

Participants are actively engaging with the problem, offering different approaches and confirming the correctness of steps taken. There is an acknowledgment of common oversights, such as forgetting the constant of integration.

Contextual Notes

The original poster indicates a lack of recent experience with integrals, which may affect their confidence in solving the problem. The discussion includes references to specific methods without full elaboration on their application.

Physter
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Haven't done integrals in such a long time and now I'm having some trouble with this question here. Any help would be appreciated. Thanks :smile:

http://img331.imageshack.us/img331/4333/screen192cj.jpg
 
Last edited by a moderator:
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Using the double angle formula as you do here is of course legitimate, however, there is a simpler choice:
Substitute [itex]u=\sin(t)[/itex] instead.
 
This looks better I hope?

http://img312.imageshack.us/img312/5109/screen202ul.jpg
 
Last edited by a moderator:
+C of course :). But yes, that's correct.
 
^^^Arggg I always forget the constant. Thanks o:)
 

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