Pertanyaan

Himpunan penyelesaian pertaksamaan cos 2 x sin x − sin x > cos x − cos 2 x cos x untuk 0 ≤ x ≤ π adalah ….

Himpunan penyelesaian pertaksamaan $\frac{sin x}{cos 2 x} - sin x > cos x - \frac{cos x}{cos 2 x}$ untuk $0 \leq x \leq π$ adalah ….

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