# Convert to a rectangular equation? #r + rsintheta = 1#

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Answer is #x^2 + 2y = 1#

Thanks in advance

Answer is

Thanks in advance

##### 3 Answers

becomes

#### Explanation:

We know

so

becomes

The only iffy step is the squaring of the square root. Usually for polar equations we allow negative

Procedure in explanation.

#### Explanation:

To convert from polar to rectangular, we may use the following substitutions:

Using 1 and 3,

Square the equation. Using the expansion of

Notice that the coefficient of 2y is 1.(See the first equation I wrote using 1 and 3)

So

Hope this helps!

#### Explanation:

We need to convert from polar to rectangular form.

We know that:

and

We can substitute in these values for

Subtract

Square both sides of the equation:

Subtract

Add

Hope this helps!