Limits.

[man111]

(1) $\displaystyle\lim_{x\to 0} \frac{x(1+acosx)-bsinx}{(f(x))^3} = 1$. Then find $a$ and $b$

Where $f(x)$ is a function of $x$

(2) $\displaystyle\lim_{x\to \frac{\pi}{2}}\sqrt {\frac{tanx - sin(tan^-1(tanx))} {tanx+cos^2(tanx)}=$

[ewert]

(1) Любые
(2) 1

[zhoraster]

See suggestions here.

Upon correction, report to Сообщение в карантине исправлено.