language use 45 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 
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 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 
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 
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 
Mathematical Induction
Precalculus Sequences and Series
How to use mathematical induction.
mathematical induction assume prove 
Pascal's Triangle
Precalculus Topics in Discrete Math
How to use Pascal's triangle.
zero product property factoring constant 
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 
Fundamental Counting Principal
Precalculus Topics in Discrete Math
How to use the fundamental counting principal.
combination tree diagram fundamental counting principal 
Solving and Graphing Compound Inequalities
Precalculus Linear Equations and Inequalities
How to solve inequalities that use the word "and" or "or."
inequality solve compound 
The Circle
Precalculus Conic Sections
How to use the distance formula to derive the equation for a circle.
circle center radius distance formula equation for a circle 
Recursion Sequences
Precalculus Sequences and Series
How to use a recursion formula to represent the Fibonacci sequence.
recursion previous term Fibonacci 
The Circle
Precalculus Equations of Lines, Parabolas and Circles
How to use the distance formula to derive the equation for a circle.
circle center radius distance formula equation for a circle 
Introduction to Logarithms
Precalculus Exponential and Logarithmic Functions
How to use inverses to define the logarithmic function.
logarithms inverse base exponent logarithmic form exponential form 
Function Notation with Logs and Exponentials
Precalculus Exponential and Logarithmic Functions
How to use function notation to solve log equations.
function notation solving log equations