# simplifying expressions   58 videos

• #### Using Trigonometric Identities

##### PrecalculusTrigonometric Functions

How to simplify a trigonometric expression by converting to sines and cosines and using algebra.

reciprocal identities
• #### Using Trigonometric Identities

##### TrigonometryTrigonometric Functions

How to simplify a trigonometric expression by converting to sines and cosines and using algebra.

reciprocal identities
• #### Adding and Subtracting Polynomials

##### AlgebraPolynomials

How to add or subtract polynomials.

simplify combine like terms
• #### Introduction to Radicals

##### Algebra 2Roots and Radicals

How to know when to include a plus and minus on a square root problem.

simplifying square roots
• #### Complex Fractions and Order of Operations

##### Pre-AlgebraFractions and MIxed Numbers

Simplifying fractions when simplifying with the order of operations

• #### Square Root Operations

##### GeometryPythagorean Theorem

How to simplify square roots using two different methods.

Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots
• #### Square Root Operations

##### TrigonometryPythagorean Theorem

How to simplify square roots using two different methods.

Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots

• #### Solving Single-step Equations

##### AlgebraSolving Equations

How to solve single step equations with one variable.

expressions equations solutions2
• #### Solving Two-step Equations

##### AlgebraSolving Equations

How to solve two-step equations.

expressions equations solutions
• #### ACT Algebra

##### ACTACT Math

Short, helpful video on ACT Algebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.

Elementary algebra intermediate algebra substituting variables simplifying expressions solving linear equations
• #### Introduction to Exponents

##### AlgebraExponents

How to interpret exponential expressions.

base exponent power
• #### Velocity Vectors

##### PhysicsLinear and Projectile Motion

How to express velocity as a vector.

velocity vectors magnitude
• #### Introduction to Exponents

##### Algebra 2Exponents

How to interpret exponential expressions.

base exponent power
• #### Evaluating a Logarithmic Expression in terms of Known Quantities

##### Algebra 2Inverse, Exponential and Logarithmic Functions

How to break up a logarithm of a large number.

product rule of logs quotient rule of logs expand
• #### Evaluating a Logarithmic Expression in terms of Known Quantities

##### PrecalculusExponential and Logarithmic Functions

How to break up a logarithm of a large number.

product rule of logs quotient rule of logs expand
• #### Multiplying and Dividing Rationals

##### AlgebraRational Expressions and Functions

How to multiply and divide rational expressions.

monomial exponent factor trinomial
• #### Calculating Coordinates in the Unit Circle

##### GeometryPythagorean Theorem

How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle.

graphing a rational expression 1/x asymptotes
• #### Calculating Coordinates in the Unit Circle

##### TrigonometryPythagorean Theorem

How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle.

graphing a rational expression 1/x asymptotes
• #### Multiplication and Division Properties of Exponents

##### AlgebraExponents

How to simplify products and quotients involving exponents.

base power exponent property