Intuition
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Intuition

Mathematics

4 Proofs of Pythagorean Identity

Photo by Adam Jícha on Unsplash

In this entry, we will prove the Pythagorean trigonometry identity using 4 different methods. It is an identity expressing the Pythagorean Theorem in terms of trigonometric functions.

Try and come up with your own methods before reading on!

Proof using the unit circle

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