138 Videos for "tangent"

Trigonometric Identities  Problem 2
Math › Precalculus › Trigonometric Functions
How to use the unit circle to show that cosine is an even function, and sine and tangent are odd functions. 
Inverse Trigonometric Functions  Problem 1
Math › Trigonometry › Basic Trigonometry
How to use inverse trig functions to find angles in right triangles. 
Transforming the Cotangent Graph  Problem 1
Math › Trigonometry › Trigonometric Functions
How to graph y = cot(theta + pi/2), a transformation of cotangent that results in the graph of tangent. 
Transforming the Cotangent Graph  Problem 1
Math › Precalculus › Trigonometric Functions
How to graph y = cot(theta + pi/2), a transformation of cotangent that results in the graph of tangent. 
Lines in Polar Coordinates  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find equations of a line tangent to a circle in polar and rectangular coordinates. 
Graphing the Reciprocal Trigonometric Functions  Problem 3
Math › Precalculus › Trigonometric Functions
How to graph y = cot q. 
Graphing the Reciprocal Trigonometric Functions  Problem 3
Math › Trigonometry › Trigonometric Functions
How to graph y = cot q. 
Trigonometric Form of Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form. 
Introduction to Polar Coordinates  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to describe a point's location with polar coordinates, and how to convert from polar coordinates to rectangular coordinates. 
Converting from Rectangular Coordinates to Polar  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert the rectangular coordinates of a point into polar coordinates. 
Trigonometric Equations that Require Factoring  Problem 2
Math › Precalculus › Advanced Trigonometry
How to solve a tangent equation by factoring: tan^2(x)  tan(x)  2 = 0. 
Trigonometric Equations that Require Factoring  Problem 2
Math › Trigonometry › Advanced Trigonometry
How to solve a tangent equation by factoring: tan^2(x)  tan(x)  2 = 0. 
Instantaneous Velocity  Problem 1
Math › Calculus › The Derivative
How to estimate the instantaneous velocity of an object from a graph of position vs. time by computing slopes of secant lines over shorter and shorter intervals of time. 
Converting from Polar Coordinates to Rectangular  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a polar equation into rectangular form. 
Converting from Rectangular Coordinates to Polar  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a rectangular equation into polar form. 
Instantaneous Rate of Change  Problem 1
Math › Calculus › The Derivative
How to estimate the instantaneous rate of change of the amount of a drug in a patient's bloodstream by computing average rates of change over shorter and shorter intervals of time, and how to represent this rate of change on a graph. 
Converting from Rectangular Coordinates to Polar  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a rectangular equation, x^2  6x +y^2 + 4y, into polar form. 
Converting from Rectangular Coordinates to Polar  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert rectangular equations, y=5 and a circle with radius of 5, into polar form.