Answer
See one possible answer below.
Work Step by Step
Step 1. Given $y=x^2+6$, we can assume $x=t$ and thus $y=t^2+6$
Step 2. We can also assume $x=\sqrt 6\ tan(t)$ and thus $y=(\sqrt 6\ tan(t))^2+6=6tan^2t+6=6sec^2t$
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.