Question

How do you simplify the expression `(sinxcosx)/(1-cos^2x)`?

Answer 1

`cotx`

Explanation:

`Sin^2x+cos^2x=1`
`sin^2x=1-cos^2x`
`(sinxcosx)/(1-cos^2x)=(sinxcosx)/sin^2x=cosx/sinx=cotx`