Question
${\tan ^2}\theta + {\cot ^2}\theta =$
$\Rightarrow {x^2} + \frac{1}{{{x^2}}} - 2 \ge 0$
$x = \tan \theta $ रखने पर, ${\tan ^2}\theta + {\cot ^2}\theta \ge 2$.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.