Level
pending

If \(S={ \left( \tan { A } +\csc { B } \right) }^{ 2 }-{ \left( \cot { B } -\sec { A } \right) }^{ 2 }\\ R=2\tan { A } \cot { B } \left( \csc { A } +\sec { B } \right) \)

Which of the statement is True

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