What is the value of \(\left[ {\frac{{\left( {sin\theta \; + \;cos\theta \; + \;1} \right)\left( {sin\theta \; + \;cos\theta - 1} \right)sec\theta \;cosec\theta }}{{\left( {co{s^6}\theta \; + \;si{n^6}\theta \; + \;3si{n^2}\theta \;co{s^2}\theta } \right)}}} \right]\)?
1
2
2
-2
3
1
4
-1