Related terms:
sine and cosine
color subcarrier
hyperbolic cosine
cosh ax
similar right triangles
optical frequencies
sinh ax
two frequencies
pythagorean identity
hyperbolic sine
hyperbolic functions
proof using
hyperbolic tangent
ptolemy's theorem
right triangles
length of the hypotenuse
arsinh
regular polygons
heterodyne detection
two signals
trigonometric functions
Wikipedia sources:
Pythagorean trigonometric identity
Exact trigonometric constants
Heterodyne
Hyperbolic function
Context for words:
trigonometric
identity
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