10th Class
Mathematics
Sample Paper
Maths Olympiad Model Test Paper-5
question_answer
If \[\theta \] is an acute angle such that \[{{\tan }^{2}}\theta =\frac{8}{7},\] then the value of \[\frac{(1+sin\theta )\,\,(1-sin\theta )}{(1+cos\theta )\,\,(1-cos\theta )}\] is: