Write the polar equation for the line y = 2x + 5.

Question

i need help with this problem

Answer 1

y = r sin θ

x = r cos θ

r sin θ = 2r cos θ + 5

r sin θ - 2r cos Ο = 5

r(sin θ - 2 cos θθ) = 5

r = 5 / (sin θ - 2 cos θ)