(11 . 10) . 6 = 6 . (11 . 10)
true or false

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

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°