350 Videos for "angles"

The Angle Between Vectors  Concept
Math › Precalculus › Vectors and Parametric Equations
How to compute the angle between two vectors. 
The Angle Between Vectors  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to compute the angle between two vectors. 
The Angle Between Vectors  Problem 4
Math › Precalculus › Vectors and Parametric Equations
How to derive the formula for the angle between two vectors. 
Angle Inclination of a Line  Problem 3
Math › Precalculus › Advanced Trigonometry
How to find the angle of inclination of a line. 
Angles in Semicircles and Chords to Tangents  Problem 2
Math › Geometry › Circles
How to solve for arcs and angles formed by a chord drawn to a point of tangency. 
Angle Bisectors and Opposite Side Ratios  Concept
Math › Geometry › Similarity
How to relate the sides of an angle bisected and the lengths of the opposite side. 
Triangle Side and Angle Inequalities  Problem 2
Math › Geometry › Triangles
How to list the sides of a triangle from longest to shortest given the measures of the interior angles. 
Triangle Side and Angle Inequalities  Problem 3
Math › Geometry › Triangles
How to list the sides of adjacent triangles from shortest to longest given the measures of some interior angles. 
Constructing an Angle Bisector  Problem 2
Math › Geometry › Constructions
How to construct a 45 degree angle. 
Triangle Side and Angle Inequalities  Problem 1
Math › Geometry › Triangles
How to list the angles of a triangle from smallest to largest given the side lengths. 
Evaluating Sine and Cosine at Other Special Angles  Problem 1
Math › Trigonometry › Trigonometric Functions
How to measure the sine and cosine of 135?. 
Other Forms of the Cosine DoubleAngle Formula  Concept
Math › Precalculus › Advanced Trigonometry
How to derive two more cosine doubleangle formulas. 
Central Angles and Intercepted Arcs  Problem 1
Math › Geometry › Circles
How to find missing angles of triangles formed by radii to congruent chords. 
Central Angles and Intercepted Arcs  Concept
Math › Geometry › Circles
How to define a central angle and find the measure of its intercepted arc; how to describe the intercepted arcs of congruent chords. 
Central Angles and Intercepted Arcs  Problem 2
Math › Geometry › Circles
How to find the arc and angle measure when a diameter is given, as well as a radius and a chord drawn between the two. 
The Angle Between Planes  Concept
Math › Precalculus › Vectors and Parametric Equations
How to find the angle between planes, and how to determine if two planes are parallel or perpendicular. 
Other Forms of the Cosine DoubleAngle Formula  Concept
Math › Trigonometry › Advanced Trigonometry
How to derive two more cosine doubleangle formulas. 
The Angle Between Planes  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the angle between two planes. 
Evaluating Sine and Cosine at Other Special Angles  Concept
Math › Trigonometry › Trigonometric Functions
How to measure the sine and cosine of 150. 
Evaluating Sine and Cosine at Other Special Angles  Concept
Math › Precalculus › Trigonometric Functions
How to measure the sine and cosine of 150.