10th Class
Mathematics
Introduction to Trigonometry
Question Bank
Trigonometry
question_answer
The value of \[4(si{{n}^{4}}30{}^\circ +co{{s}^{4}}60{}^\circ )(co{{s}^{2}}45{}^\circ -si{{n}^{2}}90{}^\circ )+ta{{n}^{4}}45{}^\circ -{{\cot }^{2}}45{}^\circ \] is