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Prealgebra
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Intermediate Algebra
| Status | Title | Difficulty |
| 1833. Triangle Area Determinant | Level 5 | |
| 1834. Trigonometric Equation Solutions 2 | Level 4 | |
| 1835. Trigonometric Ratio Sum | Level 5 | |
| 1836. Tangent of Acute Angle | Level 2 | |
| 1837. Trigonometric Ratio Determination 2 | Level 3 | |
| 1838. Sine Product Evaluation | Level 2 | |
| 1839. Trigonometric Identity Simplification 3 | Level 1 | |
| 1840. Negative Sine Value | Level 1 | |
| 1841. Line Intersection Point | Level 3 | |
| 1842. Trigonometric Sum Difference | Level 3 | |
| 1843. Line Plane Intersection Point | Level 3 | |
| 1844. Vectors Angle Determination 1 | Level 2 | |
| 1845. Arccot of Negative One | Level 1 | |
| 1846. Tangent Product Evaluation | Level 1 | |
| 1847. Trigonometric Equality Solution 2 | Level 5 | |
| 1848. Trigonometric Cosine Solution | Level 2 | |
| 1849. Triangle Probability Calculation | Level 5 | |
| 1850. Tangent Double Angle | Level 5 | |
| 1851. Vector Triple Product | Level 2 | |
| 1852. Triangle Cosine Value | Level 3 |