Lemma
DeepIdentities
OpenStax, Precalculus 2e §7.6 Modeling with Trigonometric Functions · Exercise 48 · Trigonometry · Identities

Modeling with Trigonometric Functions · Exercise 48

A plane flies 2 hours at 200 mph at a bearing of then continues to fly for 1.5 hours at the same speed, this time at a bearing of Find the distance from the starting point and the bearing from the starting point. Hint: bearing is measured counterclockwise from north.

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

~11 minWritten answer · check your work with Lemma

OpenStax, Precalculus 2e · §7.6 Modeling with Trigonometric Functions · Exercise 48

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.