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sin^2A+sin^2(A-B)-2sinAcosBsin(A-B)=sin^...

`sin^2A+sin^2(A-B)-2sinAcosBsin(A-B)=sin^2B`

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Prove that sin^2B=sin^2A+sin^2(A-B)-2sinAcosBsin(A-B)

Prove that: sin^2B=sin^2A+sin^2(A-B)-2sin A cos B sin(A-B)

sin^2A+sin^2(A-B)+2sinAcosBsin(B-A) is equal to

sin ^ (2) A + sin ^ (2) (AB) -2sin A cos B sin (AB) = sin ^ (2) B

sin(A+B).sin(A- B)=sin^(2)A-sin^(2)B

sin(A+B).sin(A- B)=sin^(2)A-sin^(2)B

sin(A+B).sin(A- B)=sin^(2)A-sin^(2)B

sin(A+B).sin(A- B)=sin^(2)A-sin^(2)B

Prove (i)sin(A+B)+sin(A-B)=2sin A cos B (ii) sin(A+B)-sin(A-B)=2cos A sin B