Help with the calculus problem please

The area of the region is equal to the area under the curve y = cos(x) over the interval 0 ≤ x ≤ π/6, given by the integral

which follows from

• the fact that d/dx [sin(x)] = cos(x)

• the fundamental theorem of calculus

answer: i guess 105 degrees?

step-by-step explanation:

she was supposed to add the hours(38.5) and multiply the amount of money she earned(7.50) resulting in $288.75 .

correct me if i'm wrong and if it is i'm truly sorry.