250 Videos for "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 › Trigonometry › Advanced Trigonometry
How to derive the sine of a difference formula and use it to find the sine of an angle. 
The Quadratic Formula  Concept
Math › Algebra › Quadratic Equations and Functions
How to use the quadratic formula to solve quadratic equations. 
Solving Formulas  Problem 2
Math › Geometry › Area
How to solve the area of a sector formula for the radius. 
The Quadratic Formula  Problem 3
Math › Algebra › Quadratic Equations and Functions
How to use the quadratic formula when there are no solutions. 
The Cosine Addition Formulas  Problem 1
Math › Precalculus › Advanced Trigonometry
How to use the cosine of a difference formula to simplify an expression or to find the cosine of an angle. 
The Sine Addition Formulas  Problem 1
Math › Trigonometry › Advanced Trigonometry
How to use the sine of a sum formula to simplify an expression or to find the sine of an angle. 
Solving Formulas  Problem 1
Math › Geometry › Area
How to solve for one of the bases of a trapezoid in the trapezoid area formula. 
The Cosine Addition Formulas  Problem 1
Math › Trigonometry › Advanced Trigonometry
How to use the cosine of a difference formula to simplify an expression or to find the cosine of an angle. 
The Quadratic Formula  Problem 1
Math › Algebra › Quadratic Equations and Functions
How to use the quadratic formula when the solutions are integers. 
Solving Formulas  Problem 3
Math › Geometry › Area
How to solve the area of a regular polygon formula for the side length. 
Using the Sine and Cosine Addition Formulas to Prove Identities  Concept
Math › Trigonometry › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the cofunction identities. 
Using the Sine and Cosine Addition Formulas to Prove Identities  Problem 1
Math › Trigonometry › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the "add pi" identities. 
Other Forms of the Cosine DoubleAngle Formula  Problem 2
Math › Trigonometry › Advanced Trigonometry
How to use the power reduction formulas to reduce cos4 x. 
Using the Sine and Cosine Addition Formulas to Prove Identities  Concept
Math › Precalculus › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the cofunction identities. 
Using the Sine and Cosine Addition Formulas to Prove Identities  Problem 1
Math › Precalculus › Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the "add pi" identities. 
Other Forms of the Cosine DoubleAngle Formula  Problem 2
Math › Precalculus › Advanced Trigonometry
How to use the power reduction formulas to reduce cos4 x. 
The Sine Addition Formulas  Problem 1
Math › Precalculus › Advanced Trigonometry
How to use the sine of a sum formula to simplify an expression or to find the sine of an angle.