SinA×cosA (sec squareA+cosec square A)= secA×tanA
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Step-by-step explanation:
sinAcosA(sec²A+cosec²A)
=sinAcosA(1/cos²A+1/sin²A)
=sinAcosA(sin²A+cos²A/sin²Acos²A)
=sinAcosA/sin²Acos²A
=1/sinAcosA
=secAcosecA
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