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If asin^(2)x+bcos^(2)x=c,b sin^(2)y+aco...

If `asin^(2)x+bcos^(2)x=c,b sin^(2)y+acos^(2)y=d`,anda tanx = b tan y then prove that `(a^(2))/(b^(2))=((d-a)(c-a))/((b-c)(b-d))`. ,

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