OpenStax, Algebra and Trigonometry 2e §10.3 Polar Coordinates · Example 11 · Calculus · Parametric & polar

Rewriting a Polar Equation in Cartesian Form

Rewrite the polar equation $r = s in (2 θ)$ in Cartesian form.

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §10.3 Polar Coordinates · Example 11

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.