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(" ix ")(cosec A-sin A)(sec A-cos A)=(1)...

(" ix ")(cosec A-sin A)(sec A-cos A)=(1)/(tan A+cot A)

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Prove the following identity,where the angles involved are acute angles for which the expressions are defined.( ix) (csc A-sin A)(sec A-cos A)=(1)/(tan A+cot A)[ Hint : Simplify L.HS and RHS separately]

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Prove that ( "cosec" A - sin A)(sec A- cos A)=(1)/((tan A+ cot A)).

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