Question

polar coordinate of (x,y) is (1,1) are?​

Answer 1

Answer:

x=−1 and y=1

r=

x

2

+y

2

⇒r=

(−1)

2

+1

2

⇒r=

2

Now, θ=tan

−1

x

y

θ=tan

−1

(

1

−1

)=−

4

π

Thus, the polar co-ordinates are (

2

,−

4

π

).