Apparently, this user prefers to keep an air of mystery about them.
3 Trigonometric Triangle Equality jun 21
2 Deduce that the next integer greater may 29
2 Induction: Prove that it is possible to seat people in a circle so that everyone sits beside a friend may 25
2 Binomial integral methods aug 10
1 Trigonometric Arithmetic Progression jul 25
1 Incentre of the triangle proving jul 30
1 Proof for positive integer may 26