Freeflows
All Problems
Prealgebra
Number
Theory
Counting and Probability
Precalculus
Geometry
Algebra
Intermediate Algebra
| Status | Title | Difficulty |
| 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 | |
| 1801. Spherical Coordinates Cosine | Level 3 | |
| 1802. Matrix Inverse Constants | Level 3 | |
| 1803. Inverse Matrix Determination | Level 4 | |
| 1804. Cosine Quadrant Tangent | Level 2 | |
| 1805. Vector Projection Magnitude | Level 5 | |
| 1806. Trigonometric Equality Solution 1 | Level 2 | |
| 1807. Cosine Product Simplification 2 | Level 3 | |
| 1808. Tangent Equation Solutions | Level 5 | |
| 1809. Vector Magnitude Squared | Level 4 | |
| 1810. Complex Polynomial Sum | Level 5 | |
| 1811. Trigonometric Equation Solutions 1 | Level 5 | |
| 1812. Tangent Product Solution | Level 5 |