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[" EXAMPLE "29" Prove that "],[qquad [(t...

[" EXAMPLE "29" Prove that "],[qquad [(tan^(2)A-tan^(2)B)=((sin^(2)A-sin^(2)B))/(cos^(2)A cos^(2)B)=((cos^(2)B-cos^(2)A))/(cos^(2)B cos^(2)A)],[," [CBSE "2005]]]

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