29 Videos for "opposite angles"

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. 
Angle Bisectors and Opposite Side Ratios  Problem 2
Math › Geometry › Similarity
How to find a missing length, given the length of the opposite side in a triangle. 
Angle Bisectors and Opposite Side Ratios  Problem 1
Math › Geometry › Similarity
How to find a missing length created by a median in a triangle using a proportion. 
Parallelogram Properties  Problem 1
Math › Geometry › Polygons
How to solve for variables that describe the angles in a parallelogram. 
Cyclic Quadrilaterals and Parallel Lines in Circles  Concept
Math › Geometry › Circles
How to prove that opposite angles in a cyclic quadrilateral are congruent; how to prove that parallel lines create congruent arcs in a circle. 
The Sine Addition Formulas  Problem 2
Math › Trigonometry › Advanced Trigonometry
How to derive the sine of a difference formula and use it to find the sine of an angle. 
The Sine Addition Formulas  Problem 2
Math › Precalculus › Advanced Trigonometry
How to derive the sine of a difference formula and use it to find the sine of an angle. 
Parallelogram Properties  Concept
Math › Geometry › Polygons
How to identify all of the special properties of parallelograms and use them to solve problems. 
Parallelogram Properties  Problem 2
Math › Geometry › Polygons
How to find the perimeter of a parallelogram when the sides are given in terms of a variable. 
Parallelogram Properties  Problem 3
Math › Geometry › Polygons
How to find the lengths of the diagonals in a parallelogram if they are given in terms of a variable. 
Special Isosceles Triangle Properties  Concept
Math › Geometry › Triangles
How to identify a segment from the vertex angle in an isosceles triangle to the opposite side. 
Transforming the Tangent Graph  Concept
Math › Precalculus › Trigonometric Functions
How to graph y = tan(q) for one or more periods. 
Transforming the Tangent Graph  Concept
Math › Trigonometry › Trigonometric Functions
How to graph y = tan(q) for one or more periods. 
Transforming the Tangent Graph  Problem 2
Math › Trigonometry › Trigonometric Functions
How to graph y = 1/2 tan(?x). 
Trigonometric Identities  Problem 2
Math › Trigonometry › Trigonometric Functions
How to use the unit circle to show that cosine is an even function, and sine and tangent are odd functions. 
Transforming the Tangent Graph  Problem 2
Math › Precalculus › Trigonometric Functions
How to graph y = 1/2 tan(?x). 
Transforming the Tangent Graph  Problem 3
Math › Trigonometry › Trigonometric Functions
How to graph y = 0.2 tan(2x ? ?/4). 
Transforming the Tangent Graph  Problem 3
Math › Precalculus › Trigonometric Functions
How to graph y = 0.2 tan(2x ? ?/4). 
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. 
Solving Trigonometric Equations  Problem 3
Math › Trigonometry › Advanced Trigonometry
How to solve a simple trig equation involving secant.