Question

Find the cartesian co-ordinates of a point
where polar co-ordinates are (1, 180)​

Answer 1

Answer:

Polar co-ordinates are (−1,−180

∘

)

Then, r=−1 and θ=−180

∘

x=rcosθ=(−1)cos(−π)=1

y=rsinθ=(−1)sin(−π)=0

Then, Cartesian co-ordinates are (1,0).