138 Videos for "tangent"

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. 
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. 
Using the Inverse Trigonometric Functions  Concept
Math › Trigonometry › Advanced Trigonometry
How to evaluate expressions like tan(sin (4/5))^(1). 
Using the Inverse Trigonometric Functions  Problem 2
Math › Trigonometry › Advanced Trigonometry
How to find an algebraic expression that is equivalent to sec2(tan1 x). 
Using the Inverse Trigonometric Functions  Concept
Math › Precalculus › Advanced Trigonometry
How to evaluate expressions like tan(sin (4/5))^(1). 
Using the Inverse Trigonometric Functions  Problem 2
Math › Precalculus › Advanced Trigonometry
How to find an algebraic expression that is equivalent to sec2(tan1 x). 
Navigation Problems  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How we find the course and groundspeed of an airplane when we are given its velocity and the wind velocity. 
The Circle  Problem 10
Math › Precalculus › Conic Sections
How to write the equation for a line that is tangent to a circle. 
The Circle  Problem 10
Math › Algebra 2 › Conic Sections
How to write the equation for a line that is tangent to a circle. 
Secants  Problem 3
Math › Geometry › Circles
How to find the length of intersecting secant segments. 
Secants  Concept
Math › Geometry › Circles
How to define a secant; how to find the length of various secants in circles. 
The Circle  Problem 10
Math › Precalculus › Equations of Lines, Parabolas and Circles
How to write the equation for a line that is tangent to a circle. 
Secants  Problem 1
Math › Geometry › Circles
How to find the angle measures formed by intersecting secants. 
The Definition of the Derivative  Concept
Math › Calculus › The Derivative
How to define the derivative of a function at a point x=a. 
Trigonometric Identities  Problem 1
Math › Trigonometry › Trigonometric Functions
How to use the Pythagorean identity to find cosine and tangent when sine is known. 
Trigonometric Identities  Problem 1
Math › Precalculus › Trigonometric Functions
How to use the Pythagorean identity to find cosine and tangent when sine is known. 
Angle Inclination of a Line  Concept
Math › Precalculus › Advanced Trigonometry
How to find the angle of inclination of a line. 
Angle Inclination of a Line  Concept
Math › Trigonometry › Advanced Trigonometry
How to find the angle of inclination of a line. 
Inverse Trigonometric Functions  Concept
Math › Precalculus › Basic Trigonometry
How to use inverse trig functions to find angles in right triangles. 
Secants  Problem 4
Math › Geometry › Circles
How to fin the length of secant segments drawn from points outside a circle.