SOLUTION: Explain how the Pythagorean Theorem is a special case of the Law of Cosines.

Algebra ->  Probability-and-statistics -> SOLUTION: Explain how the Pythagorean Theorem is a special case of the Law of Cosines.      Log On


   



Question 490486: Explain how the Pythagorean Theorem is a special case of the Law of Cosines.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
The law of cosines says that



where theta is the angle opposite c. Replace theta with 90 degrees, and you have the Pythagorean theorem (cos 90 = 0).