Answer
The error is that cos actually equals: cos = $\frac{adj}{hyp}$.
Work Step by Step
Using the mnemonic device for trig: SOH CAH TOA
The error is that cos actually equals: cos = $\frac{adj}{hyp}$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.