# trigonometric equations   7 videos

• #### Equation of a Circle

##### GeometryPythagorean Theorem

How to derive the equation for a circle using the distance formula.

• #### Solving Equations with Squares and Cubes

##### GeometryVolume

How to solve equations using square roots or cube roots.

square root cube root
• #### 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: 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: 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
• #### Inverse Trigonometric Functions

##### GeometryBasic Trigonometry

How to use inverse trig functions to find angles in right triangles.

trigonometry right triangle inverse sine cosine tangent
• #### Distance Formula

##### GeometryPythagorean Theorem

How to derive the equation for the distance between two points using the Pythagorean Theorem.

distance coordinate plane ordered pair segment