Let $x \to 0^+$, $\sec x \to 1$, $\csc x \to \infty$, so sum $\to \infty$. Similarly near $\frac\pi2^-$. So the expression goes to infinity. - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$Let $x \to 0^+$, $\sec x \to 1$, $\csc x \to \infty$, so sum $\to \infty$. Similarly near $\frac{\pi}{2}^-$. So the expression goes to infinity.$