Euler's formula & Euler's identity
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Euler's formula & Euler's identity
Aug 14, 2016
Khan AcademySal Khan
The Euler's formula for any real number x is e^(ix) = cos(x) i sin(x), where e is the base of the natural logarithm (approximately 2.718), i is the imaginary unit (i = √(-1)), and cos and sin are the trigonometric functions. To visualize Euler's formula in the complex plane, consider the following: - The complex plane is a 2D plane where the x-axis represents the real part of a complex number, and the y-axis represents the imaginary part. - The expression e^(ix) represents a point on the unit ci
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