# Thread:

1. Originally Posted by aikenfan
I'm sorry, I'm a bit confused...On 68, I thought that the Amplitude came from the graph...the line goes up to 2 (but the grid goes up to 3)
you labeled a point on the graph to be $(\pi, 3)$, how is it that the amplitude is 2? (you do not label a grid using coordinates, so if that's what you tried to do, you are double wrong on this problem. you define your grid on your axis, anyone will assume that any coordinate point you write applies to the curve)

2. I think that I made a mistake...I am going to go back and fix that and come back...the problem posted on the first page of this thread shows the curve going up to 2...

3. This is my new answer... I believe this is correct now...the numbers that were given confused me a bit (the line only went to 2, not 3) but I had thought to go to 3....

4. Originally Posted by aikenfan
This is my new answer... I believe this is correct now...the numbers that were given confused me a bit (the line only went to 2, not 3) but I had thought to go to 3....
no, the period for 68 is $4 \pi$, it is k that is 1/2

5. Ok, i've fixed that as well...I believe they should be correct now...other than that small mistake....Do you think it looks correct now

6. Originally Posted by aikenfan
Ok, i've fixed that as well...I believe they should be correct now...other than that small mistake....Do you think it looks correct now
i don't think you explicitly wrote the period for 70, which is $\frac {4 \pi}3$. other than that, everything looks good

7. I want to thank you so much for all of your help and for being patient! I appreciate it very much!

8. Originally Posted by aikenfan
I want to thank you so much for all of your help and for being patient! I appreciate it very much!
you're very much welcome. i like your style. it is evident that you are trying to get through this stuff and not just relying on others for answers
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