OpenStax, Algebra and Trigonometry 2e §7.3 Unit Circle · Exercise 80 · Trigonometry · Unit circle

Unit Circle · Exercise 80

Use a graphing calculator to evaluate.

$s in \frac{5 π}{9}$

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 · §7.3 Unit Circle · Exercise 80

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.