change rectangular equations to polar equations

Question

y=-5

 

make sure its in polar equation!

Answer 1

y = r sin Θ

r sin Θ = -5

r = -5/sin Θ = -5 * (1/sin Θ)

 

Remember, 1/sin Θ = csc Θ

 

r = -5 * (1/sin Θ) = -5 csc Θ