Question

Question #fe727

Answer 1

`1/cosx`

Explanation:

`tanxsinx+cosx`
`color(orange)(tanx=sinx/cosx)`

`sinx/cosx sinx+cosx`
`sin^2x/cosx +cosx`
`(sin^2x+cos^2x)/cosx`
`color(orange)(sin^2x+cos^2x=1)`

`1/cosx`