যদি cot x = 3 হয়, তাহলে \(\rm\frac{{\left( {3\, + \,3\,\sin \,x} \right)\left( {1\, - \,\sin \,x} \right)}}{{\left( {2\, + \,2\,\cos \,x} \right)\left( {3\, - \,3\,\cos \,x} \right)}}\,\)এর মান কত হবে?
1
9
2
\(\frac{9}{4}\)
3
\(\frac{9}{3}\)
4
\(\frac{9}{2}\)