OpenStax, Algebra and Trigonometry 2e §10.8 Vectors · Exercise 164 · Geometry · Vectors in geometry

Vectors · Exercise 164

Given $z_{1} = 8 c i s (36°)$ and $z_{2} = 2 c i s (15°),$ evaluate each expression.

Graph the set of parametric equations and find the Cartesian equation: ${x (t) = - 2 s in t y (t) = 5 cos t .$

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §10.8 Vectors · Exercise 164

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.