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precalculus topics

S
Law of cosines
A+
Cross product
A
Trig identities (odd/even, reciprocal, pythagorean)
Law of sines
Trig identities (sum/difference, double angle)
Parametrics (concepts)
B
Trig review
2D vectors (concepts)
Solving trig equations
Fundamental vector operations
Dot product
Conics (Parabola)
Eliminating the parameter
C
Conics (Circle)
3D vectors (concepts)
Inverse trig
Trig applications
Normal vectors
D
Vector projection
Parameterization of a line
Parametric graphing
Parametric applications
Trig graphs
F
Verifying the identity
Conics (Ellipses)
Conics (Hyperbolas)
Don't know enough about this yet
Polar (concepts)
Limits (concepts)
Continuity of a function
Polar curves
Differentiation laws
Limits (laws and existence)
Polar (conversion to cartesian)
Derivatives (tangent lines)
Created Feb 13, 2026
Precalculus topics

By Weiran (Vivian) Liu

S Tier

A+ Tier

A Tier

B Tier

C Tier

D Tier

F Tier

Don't know enough about this yet Tier