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Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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

Which number line represents the solution set for the inequality - x 24?