Find the value of x. round the length to the nearest tenth. explain how you got the answer

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

What is 96 divided by 7,488mark as brainliest

How do i do this activity, is appreciated