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School Mathematics
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Demonstrations 21  40 of 1067
Extending the Rationals with the Square Root of Five
How the Roots of a Polynomial Depend on Its Constant Coefficient
Theorem on the Dihedral Angles of an Isosceles Tetrahedron
Cubic Spline Interpolation versus Interpolating Polynomial
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
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