Integration using trigonometric identities
Indefinite integration · Mathematics
Study notes
Q: Evaluate the integral of sin^2 x dx from 0 to pi. sin^2 x = (1 - cos 2x)/2. Integral = x/2 - (sin 2x)/4, evaluated 0 to pi. At pi: pi/2 - 0 = pi/2. At 0: 0. Answer: pi/2.