can anyone give the solution of this above question
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Step-by-step explanation:
LHS =
tan²x/(sec²x + 1 - 2secx)
= sin²x/(1 + cos²x - 2cosx)
= (1-cos²x)/(cosx-1)²
= (1+cosx)(1-cosx)/(1-cosx)²
= (1+ cosx)/(1-cosx) = RHS
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