Mathematics

Proving the Law of Sines

If you understand the definition of sine, it is pretty easy to prove the "Law of Sines".

Mathematics

Proving the Pythagorean Theorem

We learned the Pythagorean Theorem in grade school: The square of the length of the hypotenuse is equal to the sum of the squares of the other two sides. Often written as A2 + B2= C2. The Pythagorean Theorem is much more than just a mathematical curiosity, it is a basic and useful mathematical property […]