using figures and diagrams 47 videos

Using the Complement to Calculate Probability
Precalculus Topics in Discrete Math
How to use the complement to calculate the probability of an event.
complement probability odds chances 
Using Trigonometric Identities
Precalculus Trigonometric Functions
How to simplify a trigonometric expression by converting to sines and cosines and using algebra.
reciprocal identities 
Fundamental Counting Principal
Precalculus Topics in Discrete Math
How to use the fundamental counting principal.
combination tree diagram fundamental counting principal 
Using Sine to Calculate the Area of a Triangle
Precalculus Basic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
area of a triangle sine 
Using the Sine and Cosine Addition Formulas to Prove Identities
Precalculus Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the cofunction identities.
the cosine addition formulas the sine addition formulas 
Using the Inverse Trigonometric Functions
Precalculus Advanced Trigonometry
How to evaluate expressions like tan(sin (4/5))^(1).
sine cosine tangent inverse sine inverse cosine inverse tangent the unit circle 
Using the Conjugate Zeros Theorem
Precalculus Polynomial and Rational Functions
How we find the zeros of a polynomial function when one imaginary zero is known.
polynomial functions quadratic functions zeros multiplicity the conjugate zeros theorem the conjugate roots theorem conjugates imaginary numbers imaginary zeros 
Set Operation: Union
Precalculus Linear Equations and Inequalities
How to define union.
Venn diagram union set operation or 
Set Operation: Intersection
Precalculus Linear Equations and Inequalities
How to solve define intersection.
Venn diagram union set operation and 
Solving Linear Systems Using Matrix Algebra
Precalculus Systems of Linear Equations and Matrices
How to convert a system of linear equations into a matrix equation and solve it.
matrices square matrices matrix equation coefficient matrix inverse matrix identity matrix matrix multiplication 
Pascal's Triangle
Precalculus Topics in Discrete Math
How to use Pascal's triangle.
zero product property factoring constant 
Mathematical Induction
Precalculus Sequences and Series
How to use mathematical induction.
mathematical induction assume prove 
Solving and Graphing Compound Inequalities
Precalculus Linear Equations and Inequalities
How to solve inequalities that use the word "and" or "or."
inequality solve compound 
Product Rule of Logarithms
Precalculus Exponential and Logarithmic Functions
How to use the product rule for logarithms.
product rule of logarithms product rule 
Quotient Rule of Logarithms
Precalculus Exponential and Logarithmic Functions
How to use the quotient rule for logarithms.
quotient rule of logarithms quotient rule log 
Power Rule of Logarithms
Precalculus Exponential and Logarithmic Functions
How to use the power rule for logarithms.
power rule of logarithms 
The Law of Cosines
Precalculus Basic Trigonometry
How to define and use the law of cosines.
law of cosines ratios triangles 
Area With Determinants
Precalculus Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using a determinant.
parallelogram vectors determinant area 
Binomial Theorem
Precalculus Topics in Discrete Math
How to define factorial expressions used in the binomial theorem.
square root 
Combinations vs. Permutations
Precalculus Topics in Discrete Math
How to know when to use combinations or permutations.
combination permutation order matters order doesn't matter