Question

( lim _{x rightarrow frac{pi}{4}} frac{2 sqrt{2}-(cos x+sin x)^{2}}{1-sin 2 x} )
( lim _{x rightarrow frac{pi}{4}} frac{2 sqrt{2}-1-sin 2 x}{1-sin 2 x} )
( lim _{x rightarrow frac{pi}{4}}=frac{0-cos 2 x x}{-cos 2 pi x 2} )
( =1 A )

# 11. lim 212 - (cos x + sin x)' 1-sin 2x

Solution