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# Definite integral help again watch

1. Okay, I posted these two problems the other day and I thought I understood based on the help given, but I still don't really, so if anyone can give me a step by step on either one of them, or both then I'll be forever grateful!

1)

2)

Thank you thank you thank you if you can help.
2. (Original post by angelooo)
Okay, I posted these two problems the other day and I thought I understood based on the help given, but I still don't really, so if anyone can give me a step by step on either one of them, or both then I'll be forever grateful!

1)

2)

Thank you thank you thank you if you can help.
ftfy
3. (Original post by TenOfThem)
ftfy
Thanks, haha, I just spent ages trying to figure out how to get that to show, I'm so useless at this.
4. (Original post by angelooo)
...

5. (Original post by TenOfThem)

Thank you for you all your help, but I still can't seem to get the answer and I have no idea what I'm doing wrong. I know that the answer should be 2/π, however I just can't seem to figure out how to get there and it's driving me mad.
I'm really sorry for being such a pain, you're obviously 10x smarter than me haha.
6. (Original post by angelooo)
Thank you for you all your help, but I still can't seem to get the answer and I have no idea what I'm doing wrong. I know that the answer should be 2/π, however I just can't seem to figure out how to get there and it's driving me mad.
I'm really sorry for being such a pain, you're obviously 10x smarter than me haha.
What're and ?
7. (Original post by angelooo)
but I still can't seem to get the answer and I have no idea what I'm doing wrong. I know that the answer should be 2/π, however I just can't seem to figure out how to get there and it's driving me mad.
8. (Original post by joostan)
What's and
and 0?
9. (Original post by TenOfThem)
That's what I got too, but I was told that the answer should be π/2 so that threw me. I'll just go ahead with 1 and hope for the best! Thanks again for all your help, you're a star!
10. (Original post by angelooo)
That's what I got too, but I was told that the answer should be π/2 (sic) so that threw me. I'll just go ahead with 1 and hope for the best! Thanks again for all your help, you're a star!
Sorry

Look back at my solution to see why
11. (Original post by TenOfThem)
Sorry

Look back at my solution to see why
Sorry, but I'm lost again. Looking back at the solution I would get
Can you explain further please? I know it probably seems totally obvious, but I'm just completely in the dark.
Btw I'm more than willing to pay you for this, you're basically tutoring me online at the moment so I'd be happy to pay you through paypal or something!
12. (Original post by angelooo)
Sorry, but I'm lost again. Looking back at the solution I would get
Can you explain further please? I know it probably seems totally obvious, but I'm just completely in the dark.

(Original post by TenOfThem)

13. (Original post by TenOfThem)

Oh my goodness, how did I not see that? I've quite possibly never felt this stupid in my entire life, hahaha. Thank you again .

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