Question

( frac{sqrt{28} cdot lim _{x rightarrow 0} frac{9 x+2 cos x}{6 sin x}}{operatorname{lsin} 9 tan (14 a)} lim _{x rightarrow 0} frac{9+x x-210 x+cos x}{frac{9+1}{b} sin x} )

# ax + X COS X lim- x+0 b sin x lim h→0 cos? (x + h) - cos? * h lim e* - cos* 1-sino lim 07a12 (4_0 coso sin(cos x)cos x x->r/2 sin x-coses x 38. lim ln(1+sin x). cot ln(1+x) X-0 (x) 1

Solution