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Need help in Grade 11 Math or Grade 12 Math?
We have a collection of videos, games, activities and worksheets
that are suitable for 11th Grade and 12th Grade math. They are
categorized into Algebra 2 and Trigonometry.
In these lessons, we will learn absolute value, systems of
equations, systems of inequalities, quadratic equations, graphing
parabolas & quadratic functions, radicals & square roots,
polynomials, factoring trinomials, matrices, complex numbers,
logarithm, graphs & functions, conic sections, sequences &
series, probability & combinatorics, and trigonometry.
Algebra 2

Lessons on Trigonometry
Convert between Degrees & Radians 1
Convert between Degrees & Radians
2 Convert between Degrees & Radians
3 Area, Length of Circle in Radians
Evaluating Sine & Cosine of Special
Acute Angles Unit Circle
Definition of Trigonometric Functions 1 Unit Circle
Definition of Trigonometric Functions 2 Unit Circle
Definition of Trigonometric Functions 3 Angles in Standard Position Coterminal Angles 1 Coterminal Angles 2 Finding the Quadrant in which an
Angle Lies Sine & Cosine of NonAcute Angles
& Reference Angles Reference Angle (Degrees &
Radians) Evaluating Trigonometric Functions
for an Angle, Given a Point on the Angle Evaluating
Trigonometric Functions Using the Reference Angle Finding Trigonometric Values Given
One Trigonometric Value/Other Info Sine & Cosine Graphs Transformation of Sine & Cosine
Graphs 1 Transformation of Sine & Cosine
Graphs 2 Transformation of Sine & Cosine
Graphs 3 Finding the Equation of a Sine or
Cosine Graph 1 Finding the Equation of a Sine or
Cosine Graph 2 Tangent Graphs 1 Tangent Graphs 2 Transformation of Tangent Graphs
Graph Sine & Cosine with
Different Coefficients Maximum & Minimum Values of Sine
& Cosine Functions Graph Trig
Functions: Amplitude, Period, Vertical & Horizontal
Shifts Trigonometric Functions: Sin, Cos,
Tan, Csc, Sec & Cot Secant Graphs Cosecant Graphs Secant & Cosecant Graphs & their
Transformations Cotangent Graphs & their
Transformations Graph the Sin, Cos, Tan, Sec, Csc,
& Cot Functions 1 Graph the Sin, Cos, Tan, Sec, Csc,
& Cot Functions 2 Tangent, Cotangent, Secant, Cosecant
Graphs Finding a Formula for a Trigonometric
Graph Trig Identities:
cofunctions, reciprocal, quotient, ratio, Pythagorean,
& even/odd Trigonometric
Identities 1 Trigonometric
Identities 2 Using & Proving Trigonometric
Identities 1 Using & Proving
Trigonometric Identities 2 Using & Proving
Trigonometric Identities 3 Simplify
Trigonometric Expressions Simplify Trigonometric
Expressions Using Trig Identities Simplify
Trigonometric Expressions Involving Fractions Simplify Products
of Binomials Involving Trigonometric Functions Factor &
Simplify Trigonometric Expressions Examples with
Trigonometric Functions: Even, Odd or Neither Solve Trigonometric
Equations Solve Trigonometric
Equations using Factor
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