plss answer my question plss
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Step-by-step explanation:
1. LHS=secA(1-sinA)(secA+tanA)
=(secA-secA×sinA)(secA+tanA)
={secA-(1/cosA)sinA}(secA+tanA)
=(secA-tanA)(secA+tanA)
=sec^2A-tan^2A
=1
=RHS proved.
Sorry, I could do only first one.
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