Polynomial Functions
Linear, quadratic, and higher-degree polynomials
Exponential & Logarithmic
Growth, decay, and their inverse
Trigonometric Functions
Periodic waves and oscillations
Sine Function
f(x) = A·sin(Bx + C) + DWave-shaped oscillation modeling sound, light, and tides
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Cosine Function
f(x) = A·cos(Bx + C) + DThe wave that starts at its peak — twin of sine for signal analysis
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Tangent Function
f(x) = tan(x)The slope-measuring trig function with periodic asymptotes
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Special Functions
Absolute value, roots, and rational forms