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17Calculus Precalculus - Pythagorean Theorem

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The Pythagorean Theorem

The Pythagorean Theorem is a well-known theorem that has many proofs. The basic equation is

\( a^2 + b^2 = c^2 \).

Triangle for Pythagorean Theorem [ source: wikipedia ]

This is a very important theorem that you will use a lot in precalculus and calculus. Here is a good video that explains it in detail.

Krista King Math - Pythagorean Theorem [3min-7secs]

video by Krista King Math

Next - If you have followed the next page links, where you go from here depends on what you need to know for your course. We suggest you re-familiarize yourself with similar triangles before going on to another topic. Then, come back to the inverse trig functions page when you need to.

Really UNDERSTAND Precalculus

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