method 2 47 videos

Adding Vectors
Precalculus Vectors and Parametric Equations
How to add vectors geometrically two ways.
Displacement Vector Addition Head to Tail Method Parallelogram Method 
Trigonometric Equations that Require Factoring
Trigonometry Advanced Trigonometry
How to solve a sine equation by factoring: 4 [sin(theta)]^2 = 2.
trigonometric equations factoring the unit circle principal solutions periodicity 
Trigonometric Equations that Require Factoring
Precalculus Advanced Trigonometry
How to solve a sine equation by factoring: 4 [sin(theta)]^2 = 2.
trigonometric equations factoring the unit circle principal solutions periodicity 
PCR  DNA Fingerprinting
Biology Molecular Biology
The PCR method of DNA Fingerprinting.
PCR DNA fingerprinting gel electrophoresis polymerase chain reaction 
RFLP  DNA Fingerprinting
Biology Molecular Biology
The RFLP method of DNA Fingerprinting.
RFLP DNA fingerprinting restriction fragment length polymorphism 
Solving "Greater Than" Absolute Value Inequalities
Precalculus Linear Equations and Inequalities
How to solve an inequality with an absolute value greater than a number.
absolute value inequality making 2 equations union 
Solving "Less Than" Absolute Value Inequalities
Precalculus Linear Equations and Inequalities
How to solve an inequality with an absolute value less than a number.
absolute value inequality making 2 equations intersection 
MassEnergy Equivalence
Physics Nuclear Physics
An explanation of mass energy equivalence.
mass energy equivalence e=mc^2 
Factoring Trinomials, a is not 1
Algebra Factoring
How to factor trinomials when the leading coefficient is not one.
ax^2 + bx + c greatest common factor FOIL 
Greatest Common Factors
Algebra Factoring
How to find the greatest common factor of 2 or more expressions.
greatest common factor factor monomial binomial 
Sum of Digits
Algebra Word Problems Using Systems of Equations
How to solve a problem when asked to switch the digits of a 2digit number.
sum digits word problem 
Graph of the Tangent Function
Trigonometry Trigonometric Functions
How to graph y = tan(theta) for 0 <= theta < pi/2.
tangent the unit circle asymptotes 
Solving Trigonometric Equations
Trigonometry Advanced Trigonometry
How to solve a simple sine equation: sin (theta) = 1/2.
trigonometric equations sine inverse sine supplement of an angle periodicity 
Area and Perimeter of Triangles
PreAlgebra Introductory Geometry
Understanding why the area of a triangle is 1/2 base times height

Graph of the Tangent Function
Precalculus Trigonometric Functions
How to graph y = tan(theta) for 0 <= theta < pi/2.
tangent the unit circle asymptotes 
Solving Trigonometric Equations
Precalculus Advanced Trigonometry
How to solve a simple sine equation: sin (theta) = 1/2.
trigonometric equations sine inverse sine supplement of an angle periodicity 
Constructing Parallel Lines
Geometry Constructions
How to construct parallel lines using three different methods.
transversal duplicating angles corresponding alternate interior alternate exterior 
Square Root Operations
Geometry Pythagorean Theorem
How to simplify square roots using two different methods.
Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots