mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Sine

A sine curve can be created with five people by giving the following instructions to the five people:
A. Stand on the spot.
B. Walk around A in a circle, holding this string to keep you the same distance away.
C. Stay in line with B, staying on this line.
D. Walk in a straight line perpendicular to C's line.
E. Stay in line with C and D. E will trace the path of a sine curve as shown here:
What instructions could you give to five people to trace a cos(ine) curve?
What instructions could you give to five people to trace a tan(gent) curve?

Show answer & extension

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

2d shapes number albgebra digital products cubics square numbers dates bases gerrymandering triangle numbers crossnumber indices floors ellipses complex numbers polynomials fractions digits spheres crossnumbers factorials proportion multiplication cube numbers dominos products expansions division circles triangles cryptic crossnumbers grids scales people maths dice coins averages digital clocks tiling polygons partitions sums cards algebra squares arrows decahedra consecutive integers regular shapes numbers shapes menace tangents doubling geometric mean the only crossnumber axes cryptic clues median area range star numbers matrices coordinates colouring remainders elections games speed combinatorics irreducible numbers hexagons geometric means pascal's triangle chess perfect numbers planes even numbers sport quadrilaterals determinants probabilty trigonometry pentagons prime numbers consecutive numbers chalkdust crossnumber 3d shapes odd numbers palindromes balancing time volume tournaments rugby perimeter quadratics means square roots geometry christmas books symmetry lines binary percentages surds parabolas differentiation functions shape logic integers folding tube maps wordplay taxicab geometry graphs clocks mean angles sum to infinity dodecagons unit fractions probability money advent addition ave factors routes multiples calculus sequences crosswords rectangles sets integration chocolate

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024