How do you convert #r cos(θ) = 9# to rectangular form?

Related questions

• How do you convert rectangular coordinates to polar coordinates?
• When is it easier to use the polar form of an equation or a rectangular form of an equation?
• How do you write #r = 4 \cos \theta # into rectangular form?
• What is the rectangular form of #r = 3 \csc \theta #?
• What is the polar form of # x^2 + y^2 = 2x#?
• How do you convert #r \sin^2 \theta =3 \cos \theta# into rectangular form?
• How do you convert from 300 degrees to radians?
• How do you convert the polar equation #10 sin(θ)# to the rectangular form?
• How do you convert the rectangular equation to polar form x=4?
• How do you find the cartesian graph of #r cos(θ) = 9#?