180 Videos for "formulas"

Empirical Formula  Molecular Formula
Science › Chemistry › Chemical Reactions
Understanding the differences between empirical and molecular formulas. 
The DoubleAngle Formulas  Concept
Math › Precalculus › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the doubleangle formulas. 
The DoubleAngle Formulas  Concept
Math › Trigonometry › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the doubleangle formulas. 
The DoubleAngle Formulas  Problem 2
Math › Trigonometry › Advanced Trigonometry
How to derive a tripleangle formula for cosine. 
The DoubleAngle Formulas  Problem 2
Math › Precalculus › Advanced Trigonometry
How to derive a tripleangle formula for cosine. 
Solving Formulas  Concept
Math › Geometry › Area
How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height. 
The Sine Addition Formulas  Concept
Math › Trigonometry › Advanced Trigonometry
How to derive the sine of a sum formula. 
Using the Sine and Cosine Addition Formulas to Prove Identities  Problem 3
Math › Trigonometry › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove a difference formula for tangent. 
The Sine Addition Formulas  Concept
Math › Precalculus › Advanced Trigonometry
How to derive the sine of a sum formula. 
Using the Sine and Cosine Addition Formulas to Prove Identities  Problem 3
Math › Precalculus › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove a difference formula for tangent. 
The Cosine Addition Formulas  Concept
Math › Trigonometry › Advanced Trigonometry
How to derive the cosine of a difference formula. 
The Cosine Addition Formulas  Concept
Math › Precalculus › Advanced Trigonometry
How to derive the cosine of a difference formula. 
The Euler Formula  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to derive two trigonometric identities using Euler's Formula. 
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 DoubleAngle Formulas  Problem 1
Math › Trigonometry › Advanced Trigonometry
How to use the sine and cosine doubleangle formulas to find sin(2a) and cos(2a) when sin(a) is known. 
Other Forms of the Cosine DoubleAngle Formula  Problem 1
Math › Trigonometry › Advanced Trigonometry
How to use the cosine doubleangle formulas to derive the power reduction formulas. 
Other Forms of the Cosine DoubleAngle Formula  Problem 1
Math › Precalculus › Advanced Trigonometry
How to use the cosine doubleangle formulas to derive the power reduction formulas. 
The DoubleAngle Formulas  Problem 1
Math › Precalculus › Advanced Trigonometry
How to use the sine and cosine doubleangle formulas to find sin(2a) and cos(2a) when sin(a) is known. 
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. 
The Quadratic Formula  Problem 3
Math › Algebra › Quadratic Equations and Functions
How to use the quadratic formula when there are no solutions.