10th Class
Mathematics
Introduction to Trigonometry
Question Bank
Introduction to Trigonometry
question_answer
If \[\mathbf{cot}\theta \,(\mathbf{1+sin}\theta )=\mathbf{2}\text{ }\mathbf{m}\] and \[\mathbf{cot}\theta ~\]\[(\mathbf{1}-\mathbf{sin}\theta )=\mathbf{2n}\] then \[{{\left( {{\mathbf{m}}^{\mathbf{2}}}-{{\mathbf{n}}^{\mathbf{2}}} \right)}^{\mathbf{2}}}\]equals to _________.