YouTube on MSNOpinion

How to find the measure of an angle that is inscribed from a secant and tangent line

Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in ...
YouTube on MSN

Finding the angle of a vector as a linear combination

Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The ...
BBC

Angle, symmetry and transformation

Angles are often described using three letters. Angles can be drawn and measured using a protractor. Finding angles between lines Complementary angles form a right angle. Supplementary angles form a ...
Ars Technica

Find the angles to a point on a sphere?

View image: http://sdw.webhop.net/tmp/problem.jpg <BR><BR>I want to step through the 2D coordinates (x,y) in the above picture. Say for example that x=0...1 and y=0 ...
BBC

Finding angles in right-angled triangles

Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...