Two Brothers Tom and Walter each inherit 29,000 tom invest his inheritance in a savings account with an annual return of 2.1% while Walter invest his inheritance in a cd paying 5.5% annually how much more money than time does water have after one year

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