SubArea: Trigonometric equations and inequalitiesLevel: BProject ID: 1003085809Accepted: 1Clonable: 0Easy: 0Which of the following inequalities has no solution for \( x\in\mathbb{R} \)?\( 99\cos x >100 \)\( \cos^2x -\sin^2x \geq 1 \)\( \sin|x| < 0 \)\( \sin 2x \leq 2 \)
