Question

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

JEE/Engineering Exams

Maths

Solution

132

4.0 (1 ratings)

( 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 )