notes/education/math/MATH1220 (calc II)/Integration with Trig Identities.md

The below integration makes use of the following trig identities:

1. The Pythagorean identity: \sin^2(x) + \cos^2(x) = 1
2. The derivative of sine: \frac{d}{dx}sin(x) = cos(x)
3. The derivative of cosine: \dfrac{d}{dx} \cos(x) = -\sin(x) $$ \cos^2(x) = \frac{}