#28 Hints?
I need some help figuring out how to prove this. Thanks.
posted by moperson at 10:31 AM
Sunday, April 29, 2007
Contributors
Previous Posts
- final draft
- PSAE
- blogging schedule
- pretest
- ACT
- #5 on pretest
- More about ACT
- Number 12 Pretest
- ACT Tips
- General
1 Comments:
Do exactly what they do in example 5. you get (x-c)^2 + (y-d)^2, and you sub in rcost for x and rsint for y. expand it, then factor the result, and you should be able to prove from there that the radius is r, with the center (c,d). hope this helps.
Post a Comment
<< Home