If /\ ABC is right angled at A, show th...

If `/_\ ABC` is right angled at A, show that: `(b^(2) + c^(2))/(b^(2) - c^(2)) .sin (B - C)=1`.

Answer

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If Delta ABC is right -angled at C, then: (a^2 + b^2)/(a^2 - b^2) cdot sin (A - B) =....

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