s Prove the identexpressions are defined.lowing identities, where the – InterviewSolution

1.	s Prove the identexpressions are defined.lowing identities, where the angles involved ace acute anges for whichs1-cos θcot θ)--1 + cos θ-1+an A = 2 sechco s A(cosec θ _ coter= 14 cosea) lcosAA.coinA. = 2seaACos A
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