question_answer

\[{{\left[ \frac{1+\tan \theta }{1+\cot \theta } \right]}^{4}}\] is equal to

A) \[{{\left( \frac{1+{{\tan }^{2}}\theta }{1+{{\cot }^{2}}\theta } \right)}^{2}}\]

B) \[{{\left( \frac{1+{{\cot }^{2}}\theta }{1+ta{{n}^{2}}\theta } \right)}^{2}}\]

C) \[{{\left( \frac{1+\tan \theta }{1-\cot \theta } \right)}^{2}}\]

D) \[{{\left( \frac{1-{{\cot }^{2}}\theta }{1+ta{{n}^{2}}\theta } \right)}^{2}}\]