trigonometry
posted by james on .
in triangle abc, m<c=90, bc=20, and ba=40. a.find sine a b.find measure of <a

sinA=1/2 and the measure of <A=30
posted by james on .
in triangle abc, m<c=90, bc=20, and ba=40. a.find sine a b.find measure of <a
sinA=1/2 and the measure of <A=30