From 772c93dc5a77ccc8f71aa16fd1261ff1f0f70e8a Mon Sep 17 00:00:00 2001 From: arc Date: Fri, 5 Sep 2025 19:37:11 -0600 Subject: [PATCH] vault backup: 2025-09-05 19:37:11 --- .../math/MATH1220 (calc II)/Integration with Trig Identities.md | 1 - 1 file changed, 1 deletion(-) diff --git a/education/math/MATH1220 (calc II)/Integration with Trig Identities.md b/education/math/MATH1220 (calc II)/Integration with Trig Identities.md index 332135a..9639429 100644 --- a/education/math/MATH1220 (calc II)/Integration with Trig Identities.md +++ b/education/math/MATH1220 (calc II)/Integration with Trig Identities.md @@ -34,7 +34,6 @@ This enables us to make use of **substitution** to simplify many integrals. - $x = a\tan \theta$ - $dx = a \sec^2\theta d\theta$ - for $-\frac{\pi}{2} < \theta < \frac{\pi}{2}$ - # Examples > Evaluate the integral $\int\frac{3}{4+x^2}dx$ 1. Move the constant coefficient out of the integral: