The letters *x* and *y* represent rectangular coordinates. Write the following equation using polar coordinates (*r*, *θ*).

**Solution:-**

x = r * cos*θ*

y = r * sin*θ*

give the equation x^2 +y^2 = 1

put the x and y value

= 1

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# Problem 703

learn maths and leave the fear of it

The letters *x* and *y* represent rectangular coordinates. Write the following equation using polar coordinates (*r*, *θ*).

**Solution:-**

x = r * cos*θ*

y = r * sin*θ*

give the equation x^2 +y^2 = 1

put the x and y value

= 1