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Search results for “cosh”

17 results

IMO 1965

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
320

IMO 1959

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
310

IMO 1961

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
240

IMO 1963

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
230

IMO 1967

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
270

IMO 1969

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
280

IMO 1977

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
260

IMO 1962

2026Problem sheet

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.
0
340

Vector calculus. Green's theorem

2026Problem sheetSergey

A contour integral as a double integral: the hypotheses of Green's theorem, orientation of the contour, area as a contour integral, closing an open arc, an annulus, a singular point inside the contour.
0
260

Vector calculus. Line integrals of the first kind

2026Problem sheetSergey

Integration with respect to arc length: parametrising a curve, the length element ds=∣r′(t)∣ dtds = |\mathbf{r}'(t)|\,dt, arc length, curves in polar coordinates, the mass and centre of mass of a wire, symmetry instead of computation.

0
530

Vector calculus. Stokes' theorem. Circulation

2026Problem sheetSergey

Circulation of a field as the flux of its curl: computing the curl, matching the orientation of the contour and the normal, circulation computed two ways.
0
310