Ris the region below the curve y=x and above the z-axis from x=0 to x=b, where b is a positive constant. s is the region below the curve y=cos(x) and above the x-axis from x=0 to x=b. for what value of b is the area of r equal to the area of s?
i know the answer is 1.404, but i need an explanation as to why. and you.