Asquare painting has sides that are 3 meters long what is the paintings perimeter

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 the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Which point has an coordinates of (2,0) ? a