Question

How do you simplify `(tan(x)+cos(x)) / sec^2(x)`?

Answer 1

`sin x cos x + cos^3 x`

Explanation:

`= frac{frac{sin x}{ cos x} + cos x}{1/cos^2 x}`

`= (frac{sin x}{ cos x} + cos x) * cos^2 x`

`= (sin x + cos^2 x) * cos x`