1.The expression 1−cotAtanA+1−tanAcotA\frac{1-\cot A}{\tan A} + \frac{1-\tan A}{\cot A}tanA1−cotA+cotA1−tanA can be written asa.sinAcosA+1\sin A \cos A + 1sinAcosA+1b.secAcosecA+1\sec A \cosec A + 1secAcosecA+1c.tanA+cotA\tan A + \cot AtanA+cotAd.secA+cosecA\sec A + \cosec AsecA+cosecALogin to continueOnly logged in users canattempt or see the solution.
