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Demonstrations 21  40 of 1063
Spherical Cosine Rule for Angles
The Bouniakowsky Conjecture
Menelaus' and Ceva's Theorem for Spherical Triangle
The BudanFourier Theorem
Parametric Density Estimation Using Polynomials and Fourier Series
Spherical Right Triangles
Four Theorems on Spherical Triangles
Counting Sheep
Comparing Roots of Unity
Radians as Percentages
Spherical Law of Cosines
RuffiniHorner Method for Polynomials with Rational Roots
Ramanujan's Strange Formula for Pi
Sines of the Dihedral Angles of a Tetrahedron
Polar Plots Drawn by a Mechanical Linkage
Descartes's Rule of Signs
Sturm's Theorem for Polynomials
Rational Roots of a Polynomial
Mondrian Art Problem
Area Approximation for Polar Plot
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