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Integration halp

Name: Anonymous 2007-11-21 13:42

Hey /sci/, how do I integrate sin²((π/19.7)x)?

Name: Anonymous 2007-11-21 13:58

With respect to what variable?  Give us the full problem, or we can't help.

Name: Anonymous 2007-11-21 16:07

Use your tables and substitution method.  Tables can also be googled if you don't have the book.

Name: Anonymous 2007-11-21 16:30

For people who keep writing "with respect to what variable?" quit being fucktards, there's a high probability OP means x.

Anyway, use the identity sin^2 = (1-cos(2x))/2

Name: Anonymous 2007-11-22 3:24

19.7 is the variable, douche

Name: Anonymous 2007-11-22 7:34

For people who keep writing "with respect to what variable?" quit being fucktards, there's a high probability OP means x.
That's no reason to condone sloppy problem statements. Besides, we're just preempting trolls.

Name: Anonymous 2007-11-22 10:18

>>1
you fucking fail for not seeing that this problem requires trigonometric identities.
see >>4

Name: Anonymous 2007-11-22 12:25

>>6
Still retarded to say it.

Name: RedCream 2007-11-22 20:30

You people really ARE retards.  The symbol π is the real variable here.  Aren't they finding new digits of π all the time?  That sounds fairly variable to me!

Name: Anonymous 2007-11-23 2:23

Reverse chain rule. ftw.

Name: Anonymous 2007-11-23 7:36

>>9
riiiight

Name: Anonymous 2007-11-23 7:58

answer is
-(197Cos((10pix)/197)/10pi)+C
done

Name: Anonymous 2007-11-24 1:40

>>9

Mind is blown

Name: Anonymous 2007-11-24 5:19

>>9
Don't be a faggot. π doesn't vary, it just becomes more accurate. That's called an exactable.

Name: RedCream 2007-11-24 11:38

>>14
I was just trolling you.  When's the last time anybody claimed a constant is a variable because not all the digits were known?  Expand your mind, doofus.

Name: Anonymous 2007-11-24 23:41

0.5*x - 1.5676761894551692* Sin[0.3189434166081008*x]
gb2/ http://integrals.wolfram.com/ /

Name: Anonymous 2007-11-27 14:37

>>16
learn to use fractions

Name: Anonymous 2007-11-27 14:37

>>16
oh wolfram, you dawg

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