A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Find a polar equation for the curve represented by the given Cartesian equation:
a) 5x+2y=5
Write the answer in the form r=f(t) where t stands for θ. Find r
b) x2−y2=3
Write the answer in the form r2=f(t) where t stands for θ. Find r^2
anonymous
 one year ago
Find a polar equation for the curve represented by the given Cartesian equation: a) 5x+2y=5 Write the answer in the form r=f(t) where t stands for θ. Find r b) x2−y2=3 Write the answer in the form r2=f(t) where t stands for θ. Find r^2

This Question is Closed

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.3For polar coordinates we have \[x=rcos(\theta)\] \[y = rsin(\theta)\]\[r = \sqrt{x^2+y^2}\]

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.3\[5x+2y=5 \implies 5(rcos(\theta)+2rsin(\theta))=5\] now mess around with it, and see what you get :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i don't know how to solve further can you help?

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1Each term contains an r, try factoring! :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0cos()+1/2sin() =r but wasn't right

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1I don't understand what you did... where are the 5's? \(\large\rm 5r\cos\theta+2r\sin\theta=5\) Factor out an r from each term, \(\large\rm r(5\cos\theta+2\sin\theta)=5\) Then just divide both sides by that big bracketed thing, ya?

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1\[\large\rm r(stuff)=5\qquad\to\qquad r=\frac{5}{stuff}\]

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1The division should be simple, I think maybe you're over complicating it :O

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.3Zeps right, you're just one step away from completing it :P

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0(5/5cos(t))+(5/2sint) is what i put but it wasn't right

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.3\[r = \frac{ 5 }{ (5 \cos \theta+2\sin \theta) }\] let theta = t

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1you can't split it into two fractions like that nick.

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1\[\large\rm \frac{a}{b+c}\ne\frac{a}{b}+\frac{a}{c}\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.