1.

If $cosec\theta- sin\theta$ = $\ell$ and $sec\theta - cos\theta$ = m, then the value of $\ell^{2}m^{2}(\ell^{2}+m^{2}+3)$ isis1). -12). 03). 14). 2

Answer»

This QUESTION was asked some where in previous year papers of ssc, and CORRECT answer was OPTION 3



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