In △ABC, ∠C = 90◦ and sinA = 2sinB. Find sinA and sinB
In△ABC,CA=CB=3 and AB=2.Find sinC.
Sin a = 2 sin(90-a)
sina= 2cosa
sina/cosa = tana = 2
arctan(2)= 63.43o=a. b= 90-a==26.56o
+36916 
