Quick Trapezoid Question (1 Viewer)

[Nodice]

Hey everybody, if you could just show me the working to this answer, id be very grateful:

Use the trapezoidal rule with 4 subintervals to find an approximation to the volume of the solid formed by rotating the curve y=cos(x) about the x-axis from x=0 to x=pi/2

Cheers!!

 

[Newberry]

what textbook are you using? is it maths in focus? if it is, is it exercise 5.10 question 12b?

 

[Nodice]

Yeah thats the textbook from which this question comes.

 

[Newberry]

i have the answer, its just gunna take a while to type it up

 

[Newberry]

hey, sorry but i cant type it out, i will scan it later for you