vault backup: 2025-09-05 19:37:11

2025-09-05 19:37:11 -06:00
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--- a/education/math/MATH1220
+++ b/education/math/MATH1220
@ -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: