question_answer

\[{{\sec }^{2}}\theta +{{\operatorname{cosec}}^{2}}\theta \] is equal to

A) \[{{\sec }^{2}}\theta \,\,.\,\,\,{{\cot }^{2}}\theta \]

B) \[{{\sec }^{2}}\theta \,\,.\,\,\,ta{{n}^{2}}\theta \]

C) \[cose{{c}^{2}}\theta \,\,.\,\,\,{{\cot }^{2}}\theta \]

D) \[se{{c}^{2}}\theta \,\,.\,\,\,{{\operatorname{cosec}}^{2}}\theta \]