10th Class
Mathematics
Some Applications of Trigonometry
Question Bank
Trigonometry and Its Application
question_answer
If cos A + \[\mathbf{co}{{\mathbf{s}}^{\mathbf{2}}}\]A = 0 then the value of the expression \[\mathbf{si}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{A}\text{ }\text{ }\mathbf{si}{{\mathbf{n}}^{\mathbf{4}}}\mathbf{A}\] is _________