Calc HW
1. If f(3)=7 and f'(x) =((sin(1+x^2))/(x^3-2x))
then f(5) is approximately

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

When turned about its axis of rotation, which shape could have created this three-dimensional object?

In a column proof the right column states your reasons