Compare to this post.

Are there any other mistakes that you would expect students to make on this problem?

Thanks to Kristen Fouss for the submission.

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Compare to this post.

Are there any other mistakes that you would expect students to make on this problem?

Thanks to Kristen Fouss for the submission.

## 4 replies on “Same Question, Different Mistake”

1 + tan^2 = sec^2, so taking the square root of both sides, 1 + tan = sec.

then do your “cancel”

and possibly

and why not

(kids, this is NOT CORRECT)

My Friday latex workout/ Phew!

Wah!

then do your “cancel”

and possibly

and why not

Help! What did I do wrong??