Question

1+tan^2x/tan^2x

Answer 1

\[
\frac{1+\tan^2(x)}{\tan^2(x)} = \frac{1}{\tan^2(x)}+\frac{\tan^2(x)}{\tan^2(x)} = \frac{1}{\tan^2(x)}+1
\]

Answer 2

Then use \(1/\tan(x) =\cot(x)\)

Answer 3

thanks that was a lot of help

Answer 4

sinxcosx/1-sin^2x