Question

( lim _{x rightarrow 0} frac{1}{x^{2}}-frac{1}{sin ^{2} x} )
2)
( x rightarrow 0 quad frac{sin ^{2} x-x^{2}}{x^{2} sin ^{2} x} )
( lim _{x rightarrow 0} frac{left(frac{sin x}{x}right)^{2}-left(frac{x}{x}right)^{2}}{sin ^{2} x} )
( lim _{x rightarrow 0} frac{left(frac{sin x}{x}right)^{2}-1}{sin ^{2} x} rightarrow frac{0}{0} operatorname{fos} m )
( lim _{x rightarrow 6} frac{2left(frac{sin x}{x}right)left[frac{cos x-sin x}{x^{2}}right]}{2 sin ^{2} x cos x} )
( =x^{ln }left[frac{cos x}{2 x sin ^{2} x+x^{2}} cos ^{0} x-3 cos x+3 xright. )
( -frac{1}{3} )

# -07 sinx is equal to : B *Its

Solution