jasmin963 jasmin963

27-04-2017
Mathematics

contestada

25xy=225 convert to polar form

Respuesta :

jdoe0001 jdoe0001

27-04-2017

[tex]\bf x=rcos(\theta)\qquad \qquad y=rsin(\theta)\\\\ -----------------------------\\\\ 25xy=225\implies xy=\cfrac{225}{25}\implies xy=9 \\\\\\ rcos(\theta)\cdot rsin(\theta)=9\impliedby \textit{common factor} \\\\\\ r[cos(\theta)sin(\theta)]=9\implies r=\cfrac{9}{cos(\theta)sin(\theta)}[/tex]

Answer Link

Otras preguntas

-3x2 (xy+2x2) + 7x4 -3x3(5y + x)??

The following points for a function are graft in a coordinate plane: (1,2), (3,8), (4,11), and (6,17).

What is the form of the Two Squares identity? O A. (a? + b?)(C2 - 082) - (ac+ bd)? - (ad + bc) O B. (a + b)(c? + 2) = (ac- boy2 + ( ad + bc)? O C. (22 +62) (c2

Li invests money in a savings account. She wants to know the amount of simple interest that she will earn in 6 years at 3.75 percent. What additional informatio

Suppose that you are taking a multiple-choice exam with six questions, each has four choices, and one of them is correct. Because you have no more time left, yo

What are the x- and y-intercepts for a line with one point at (2,1) and another at (6,3)?

Things Fall Apart: Ekwefi defies the priestess by following her and Ezinma to the Oracle’s cave. What traits that the Ibo associate with masculinity does this b

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

A zoo has 20 monkeys. 3/4 are orangutans. How many monkeys are NOT orangutans?

HELP PLEASE!!! I HAVE NO IDEA WHAT IM DOING