Algebra
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Rotate a conic section to eliminate the $xy$ terms
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Find the point of tangency between a circle and line without using calculus
- Solve optimization problems without using calculus
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Weighted averages
Find the set of vectors that are a certain distance from a certain plane
Geometry
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Central Angle Theorem (proof)
- A proof involving triangles
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A proof involving a parallelogram
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A table showing some points of concurrency in triangles and their properties
Calculus
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In which it is determined whether a sequence converges
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In which the flux of a vector field over a closed surface is computed directly
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The same flux problem as above except that the divergence theorem is used instead
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Find the volume of a solid with given base and cross sections.
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Find the arc length of a parametric curve between two points
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In which a line integral is used to compute the mass of a rod whose density varies along its length.
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Lagrange multipliers
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Using Green's Theorem to calculate a line integral about a closed region
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Convergence of power series
Calculus notes
1.1: A Preview of Calculus
1.2: Finding Limits Graphically and Numerically
1.3: Evaluating Limits Analytically
1.4: Continuity
1.5: Infinite Limits
2.1: The Derivative and the Tangent Line Problem
2.2: Basic Differentiation Rules and Rates of Change
2.3: Product and Quotient Rules and Higher-Order Derivatives
2.5-2.6: Implicit Differentiation and Related Rates
3.1-3.4: Extrema, Concavity, and the Mean Value Theorem
3.5-3.9: Infinite limits, Curve Sketching, Optimization, Newton's Method, Differentials
4.1-4.2: Antiderivatives and Area Integrals
4.3-4.6: Riemann Sums and the Fundamental Theorem of Calculus
5.1-5.3: The Natural Logarithm and Inverse Functions
5.4-5.8: Exponential Functions, Inverse Trig Functions, and Hyperbolic Functions
Differential Equations
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A nonlinear ODE that's missing an independent variable
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A tricky 2nd-order-linear-homogeneous-ODE
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Variation of parameters
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A nonlinear 2nd-order ODE
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An inexact ODE solved two different ways
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A linear ODE solved two ways: using a Laplace transform and using the method of Undetermined Coefficients
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A 1st-order nonhomogenous ODE solved by using an integrating factor
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A story problem involving a lake with changing volume and salt concentrations
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A somewhat tricky linear IVP
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Finding a one-parameter family of solutions
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Using the Residue Theorem to solve an IVP
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Finding a one-parameter family of solutions and plotting the direction field (Maple worksheet)
Boundary Value Problems
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Three simple boundary value problems demonstrating some of the types of solutions
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Solution to a heat equation scenario with animations (Maple worksheet)
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Solving a regular Sturm-Liouville problem and using it to approximate a function
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Eigensolutions to a regular Sturm-Liouville problem
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Using an orthogonal series to approximate a function