Can someone tell me why the answers for these questions are wrong???

Thanks

Question

Can someone tell me why the answers for these questions are wrong???

Thanks

anonymous · Answer

attachment

anonymous · Answer

@e.mccormick

anonymous · Answer

@Hero help

hero · Answer

@danvids, I think something's missing here.

anonymous · Answer

That's the whole question the teacher put out

hero · Answer

I know that isn't everything because it says:

"From Rogawaski's ET 2e section 11.4 exercise 17.

anonymous · Answer

it says that for every question i did so far, .. i don't think it is some sort of reference, at least she didn't mention anything like that in class.
i think that is the place where she got the question from or somthing.

anonymous · Answer

btw, it doesn't say it, but it is asking for the area of polar curve

anonymous · Answer

i used the limit of integration from 3pi/2 to 2pi since it was asking for in the forth quadrant,  but it wasn't correct

hero · Answer

@satellite73