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Prealgebra
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Intermediate Algebra
| Status | Title | Difficulty |
| 1781. Cylindrical to Rectangular | Level 3 | |
| 1782. Trigonometric Identity Simplification 2 | Level 2 | |
| 1783. Cosine Difference Simplification | Level 3 | |
| 1784. Trigonometric Expression Reduction | Level 4 | |
| 1785. Cosine Equation Solutions 1 | Level 5 | |
| 1786. Matrix Squaring Solutions | Level 5 | |
| 1787. Arccos of Negative One | Level 1 | |
| 1788. Intersecting Lines Solution | Level 5 | |
| 1789. Vector Line Intersection | Level 4 | |
| 1790. Trigonometric Polynomial Sum | Level 5 | |
| 1791. Sin Cos Equality Solving | Level 4 | |
| 1792. Trigonometric Angle Sum | Level 3 | |
| 1793. Matrix Reflection Vector | Level 5 | |
| 1794. Logarithmic Function Domain | Level 5 | |
| 1795. Minimum Trigonometric Value | Level 5 | |
| 1796. Arccos of One | Level 1 | |
| 1797. Complex Power Equality | Level 4 | |
| 1798. Arcsine of Negative Half | Level 2 | |
| 1799. Cosine Cubic Sum | Level 4 | |
| 1800. Vector Magnitude Angle | Level 4 |