Integration using Trigonometric Properties

Trigonometric properties such as the sum of squares of sine and cosine with the same angle is one, $$\displaystyle \sin^2{\theta} + \cos^2{\theta} = 1 \\ \cos\Big(\frac{\pi}{2} – \theta \Big) = \sin{\theta}$$ can simplify harder integration. Worked Example of Integration using Trigonometric Properties (a)   Find $a$ and $b$ for \(\displaystyle \frac{1}{x(4-x)} = \frac{a}{x} […]