10th Class
Mathematics
Introduction to Trigonometry
Question Bank
Introduction to Trigonometry
question_answer
If \[\frac{\mathbf{sin}\theta \mathbf{+cos}\theta }{\mathbf{sin}\theta -\mathbf{cos}\theta }\mathbf{=3}\] then the value of \[\mathbf{si}{{\mathbf{n}}^{\mathbf{4}}}\theta -\mathbf{co}{{\mathbf{s}}^{\mathbf{4}}}\theta \]