# law of cosines ratios triangles   192 videos

• #### The Law of Cosines

##### GeometryBasic Trigonometry

How to define and use the law of cosines.

law of cosines ratios triangles
• #### The Law of Cosines

##### TrigonometryBasic Trigonometry

How to define and use the law of cosines.

law of cosines ratios triangles
• #### The Law of Cosines

##### PrecalculusBasic Trigonometry

How to define and use the law of cosines.

law of cosines ratios triangles
• #### Trigonometric Ratios: Cosine

##### GeometryBasic Trigonometry

How to define the cosine ratio and identify the cosine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Cosine

##### TrigonometryBasic Trigonometry

How to define the cosine ratio and identify the cosine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Cosine

##### PrecalculusBasic Trigonometry

How to define the cosine ratio and identify the cosine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### The Law of Sines

##### GeometryBasic Trigonometry

How to define the law of sines.

law of sines ratios triangles
• #### The Law of Sines

##### TrigonometryBasic Trigonometry

How to define the law of sines.

law of sines ratios triangles
• #### The Law of Sines

##### PrecalculusBasic Trigonometry

How to define the law of sines.

law of sines ratios triangles
• #### Ratios

##### AlgebraSolving Equations

How to write ratios to compare two quantities.

ratio fraction
• #### Trigonometric Ratios: Sine

##### GeometryBasic Trigonometry

How to define the sine ratio and identify the sine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Tangent

##### GeometryBasic Trigonometry

How to define the tangent ratio and identify the tangent of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Sine

##### TrigonometryBasic Trigonometry

How to define the sine ratio and identify the sine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Tangent

##### TrigonometryBasic Trigonometry

How to define the tangent ratio and identify the tangent of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Sine

##### PrecalculusBasic Trigonometry

How to define the sine ratio and identify the sine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Tangent

##### PrecalculusBasic Trigonometry

How to define the tangent ratio and identify the tangent of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### The Cosine Addition Formulas

How to derive the cosine of a difference formula.

the unit circle the law of cosines the distance formula cosine of a difference formula
• #### The Cosine Addition Formulas

How to derive the cosine of a difference formula.

the unit circle the law of cosines the distance formula cosine of a difference formula
• #### Hooke's Law

##### PhysicsOscillatory Motion

Understanding Hook's Law.

hooks law
• #### Law of Cooling

##### PhysicsHeat Transfer and Change of Phase

Understanding and applying the law of cooling.

law of cooling