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Euler's formula (English)

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Definition (keystage 3)

The formula e^ix = cosx + i sinx, where i is the square root of -1. A special case is e^iπ = −1.
The formula, also called Euler's theorem: V - E + F = 2, which relates the number of vertices V, edges E, and faces F in a polyhedron.

Definition (keystage 4)

The formula e^ix = cosx + i sinx, where i is the square root of -1. A special case is e^iπ = −1.

Relations

broader:: (en) Polyhedron; (en) Theorem
references:: (en) Euler

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