Question

prove that Sin(A-B)=a^-b^/a^+b^​

Answer 1

Answer:

Step-by-step explanation:

in(A+B)sin(A−B)=====(sinAcosB+cosAsinB)(sinAcosB−cosAsinB)sin2Acos2B−sin2Bcos2Asin2Acos2B−sin2B(1−sin2A)sin2A(cos2B+sin2B)−sin2Bsin2A−sin2B