Update ANS: If sin(x+y) =p/sqrt(1+p^2) and cos(x-y) =1/sqrt(1+q^2) then prove that tanx is a root of equation (p+Q) z^2+2(1-pq)z-(p+q)=0

5 Jun 2022

If sin(x+y) =p/sqrt(1+p^2) and cos(x-y) =1/sqrt(1+q^2) then prove that tanx is a root of equation (p+Q) z^2+2(1-pq)z-(p+q)=0

If sin(x+y) =p/sqrt(1+p^2) and cos(x-y) =1/sqrt(1+q^2) then prove that tanx is a root of equation (p+Q) z^2+2(1-pq)z-(p+q)=0

If sin(x+y) =p/sqrt(1+p^2) and cos(x-y) =1/sqrt(1+q^2) then prove that tanx is a root of equation (p+Q) z^2+2(1-pq)z-(p+q)=0

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