your choice. im taking trigonometry right now and its pretty easy to do. in math analysis, you cover
Abstract Harmonic Analysis
Approximation/Expansion
Calculus of Variations/Optimal Control
Complex Analysis
Fourier Analysis/Wavelets
Functional Analysis
Global Analysis/Analysis on Manifolds
Integral Equations
Integral Transforms/Operational Calculus
Manifolds/Cell Complexes
Measure and Integration
Potential Theory
Real Analysis
Several Complex Vars./Analytic Spaces