Complex Analysis
Explore complex functions; integration and singularities; mappings and global behavior. Concepts and connections are available independently of video coverage.
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Euler's formula links complex exponentials to cosine and sine for real angles.
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A complex number has real and imaginary parts and is represented on the complex plane.
A function is holomorphic when complex differentiable throughout an open neighborhood.
Amplitude, frequency and phase describe a sinusoidal oscillation.
Sine and cosine repeat after a full turn; tangent repeats after a half turn on its domain.
Addition formulas express trigonometric functions of summed angles using individual angles.
Explore complex functions; integration and singularities; mappings and global behavior. Concepts and connections are available independently of video coverage.
Explore angles and the unit circle; identities and equations; triangles and oscillations. Concepts and connections are available independently of video coverage.