10th Class
Mathematics
Introduction to Trigonometry
Question Bank
Trigonometry
question_answer
The value of \[\text{4co}{{\text{s}}^{\text{2}}}\text{6}0{}^\circ +\text{4ta}{{\text{n}}^{\text{2}}}\text{45}{}^\circ -\text{cose}{{\text{c}}^{\text{2}}}\text{3}0{}^\circ \] is