104 Videos for "sum"

Supplementary and Complementary Angles  Problem 1
Math › Geometry › Geometry Building Blocks
How to use angle measures to identify supplementary and complementary angles. 
Exterior Angles of a Polygon  Problem 1
Math › Geometry › Polygons
How to find the measures of the three exterior angles of a triangle in terms of a variable. 
Derivatives of Polynomial Functions  Problem 3
Math › Calculus › The Derivative
How to find points on the graph of a polynomial function with a given slope. 
Solving Radical Equations  Problem 1
Math › Algebra › Radical Expressions and Equations
How to solve rational equations with no sums or differences. 
Vertical Angles  Problem 1
Math › Geometry › Reasoning, Diagonals, Angles and Parallel Lines
How to find the measure of an angle using the Triangle Angle Sum Theorem and vertical angles. 
Product Rule of Logarithms  Problem 2
Math › Precalculus › Exponential and Logarithmic Functions
How to use the product rule for logarithms to condense a sum. 
Derivatives of Exponential Functions  Problem 1
Math › Calculus › The Derivative
How to use properties of the derivative to differentiate functions that are partly exponential. 
The Sine Addition Formulas  Problem 3
Math › Precalculus › Advanced Trigonometry
How to evaluate sin(a ? b) and sin(a + b) when you know only cos(a) and sin(b). 
Derivatives of Exponential Functions  Problem 3
Math › Calculus › The Derivative
How to use properties of the derivative (and properties of exponents) to differentiate functions that are partly exponential. 
Factoring: Special Cases Part II  Problem 6
Math › Algebra › Factoring
Factoring cubic polynomials by either factoring a GCF, using the sum/difference of cubes formulas, or grouping 
Derivatives of Logarithmic Functions  Problem 1
Math › Calculus › The Derivative
How to use properties of the derivative to find the derivative of a function that contains a natural log term. 
The Sine Addition Formulas  Problem 2
Math › Trigonometry › Advanced Trigonometry
How to derive the sine of a difference formula and use it to find the sine of an angle. 
The Sine Addition Formulas  Problem 3
Math › Trigonometry › Advanced Trigonometry
How to evaluate sin(a ? b) and sin(a + b) when you know only cos(a) and sin(b). 
The Sine Addition Formulas  Problem 2
Math › Precalculus › Advanced Trigonometry
How to derive the sine of a difference formula and use it to find the sine of an angle. 
Common Algebra II Mistakes  Problem 3
Math › Algebra 2 › Additional Topics
How to avoid making a mistake when taking the square root of a sum/difference. 
The Cosine Addition Formulas  Problem 3
Math › Precalculus › Advanced Trigonometry
How to evaluate cos(a ? b) and cos(a + b) when you know only sin(a) and cos(b). 
The Cosine Addition Formulas  Problem 3
Math › Trigonometry › Advanced Trigonometry
How to evaluate cos(a ? b) and cos(a + b) when you know only sin(a) and cos(b). 
Factoring Trinomials, a = 1  Problem 11
Math › Algebra › Factoring
Using "diamond puzzles" to practice the skills of factoring trinomials. These puzzles practice finding products and sums in the same way factoring does. 
Adding Vectors  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to plot the sum of two vectors and find its magnitude. 
Introduction to Rational Functions  Problem 1
Math › Algebra › Rational Expressions and Functions
How to find excluded values of a rational function where there are no sums or differences.