Calculus 2 Help Needed

[dleccord 5,000+ posts]

Hello,

Can someone help guide me how to find the K factor in this problem?

"How large do we have to choose n so that the approximation T_n_ to integral from 0 to pi of sinxdx is accurate within 0.0000001?"

Thanks!

Click to read more...

 

[97gp 5,000+ posts]

it's 4

 

[dleccord 5,000+ posts]

How do you get 4?

 

[brtnboarder3241 5,000+ posts]

4..

 

[dleccord 5,000+ posts]

How do I solve for K?

 

[jdawg90 10+ year member]

4..

yep

 

[patrick1202 10+ year member]

i hope to god i do not have to learn that or take that class.

 

[dleccord 5,000+ posts]

How do you solve for K?

 

[▼)Ñ╩fZΣµ& 10+ year member]

i think its more of around 3.992 but just round up

 

[benchambers80]

wtf, i dont understand the problem, what book you working with, page problem number.

 

[dleccord 5,000+ posts]

Well I'm working with Stewart's Calulus 6E, chapter 7.7 and the problem is not in the book. This is an exam practice problem.

Basically, I have the Error Bound formula but it requires you to know what the K factor is.

The f(x) in this case would be sinx. The second derivative is f"(x)= -sinx.

Since x is bounded between zero and pi, sinx's max would be sin(pi), which is zero.

And that is how the book solves K factor.

 

[97gp 5,000+ posts]

i think its more of around 3.992 but just round up

Yep the answer is 4

 

[▼)Ñ╩fZΣµ& 10+ year member]

seriously ive never heard of anything like this.....

try plugging things in or look at examples, read the book upside down you may think of something crazy, or sleep on it and your subconscious will give u ideas

idk..

 

[benchambers80]

barely on chapter 7.3 ****ing hurricane threw off the schedule.

 

[dleccord 5,000+ posts]

seriously ive never heard of anything like this.....
try plugging things in or look at examples, read the book upside down you may think of something crazy, or sleep on it and your subconscious will give u ideas

idk..

Seriously, I dont have time to explain Pre-Algebra to you.

Seriously.