In `triangleABC`,if 2cosAsinC=sinBthen it is isosceles

In triangleABC, a^(2)sin(B-C)=

In triangleABC, cos((A-B)/(2))=

In triangleABC, sin((B-C)/(2))=

In triangleABC,sin((B+C)/2) =

In triangleABC , if c^(2)sinAsinB=ab, then the triangle is

If in a DeltaABC,2cosAsinC=sinB , then the triangle is

In a triangleABC, 2ac.sin((A-B+C)/2)=

In triangleABC, s(s-c)tan((C)/(2))=

Statement:1 In triangleABC , if a lt b sinA , then the triangle is possible. And Statement:2 In triangleABC a/(sinA)= b/(sinB)