could someone check ive done this right.... many thnaks :)

evaluate

i have....

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- June 3rd 2010, 05:16 AMdecoy808check integral is correct?
could someone check ive done this right.... many thnaks :)

evaluate

i have....

- June 3rd 2010, 05:27 AMmr fantastic
Check it here: integrate Sin[4x] Cos[x] - Wolfram|Alpha

Click on Show steps. - June 3rd 2010, 05:29 AMArchie Meade