Let a Denote the Area Enclosed by the Y-Axis and the Equations

Multiple Choice

Let A denote the area enclosed by the y-axis and the equations y = sin x and y = cos x for $0 \leq x \leq \frac { \pi } { 4 }$ Then A is

A) $\frac { \sqrt { 2 } } { 2 }$
B) $\sqrt { 2 } - 1$
C) $\sqrt { 2 }$
D) 1
E) $\sqrt { 2 } + 1$