Question

Prove that (tano+2)(2tano+1) =5tano+sec^2o

Answer 1

Answer:

The question should be

$prove \: that \\ ( \tan(x) + 2)(2 \tan(x) + 1) =$

$= 5 \tan(x) + 2 { \sec(x) }^{2}$

Here theta is taken x