mr_e_man

 26 Find the length and width of rectangle when you are given the area 5 How can ∈ be less than/ greater than something? 4 Range of real values of sin(z) 4 differentiation of inverse without having inverse 4 Can someone please explain to me why cotangent graphs look the way they do?

### Reputation (1,200)

 +25 Find an equation of the parallel plane to the second plane +35 Projection of point onto closest point on geodesic in hyperbolic geometry (hyperboloid model) +30 Intersection point of 2 lines defined by 2 points each +10 Line integral / directed integral over a fractal curve

### Questions (23)

 18 Generalize exterior algebra: vectors are nilcube instead of nilsquare 4 How to decompose a bivector into a sum of _orthogonal_ blades? 4 Surface with mean curvature proportional to height $z$ 4 Derivatives of sums and products “isomorphic” to powers of products and sums 4 Matrix permutation-similarity invariants

### Tags (149)

 38 algebra-precalculus × 7 11 matrices × 6 36 geometry × 11 8 trigonometry × 3 26 area 6 vector-spaces × 10 16 calculus × 12 6 derivatives × 3 13 linear-algebra × 16 5 complex-numbers × 6

### Accounts (2)

 Mathematics 1,200 rep 1424 MathOverflow 101 rep 2