---
id: 699e782a8f18cf77dfce5c19
title: Pythagorean Identities
challengeType: 11
videoId: C1i_FlxW_uE
dashedName: pythagorean-identities
---

# --description--

In this video, you will learn about the Pythagorean identities.

# --questions--

## --text--

Which of the following is an example of a Pythagorean identity?

## --answers--

$\sec^2(x) + \tan^2(x) = 1$

---

$\tan^2(x) + 1 = \sec^2(x)$

---

$\csc^2(x) + \cot^2(x) = 1$

---

$\cot^2(x) - 1 = \csc^2(x)$

## --video-solution--

2


