Business Calculus
π2−tan−12\(\frac{\pi}{2}\)-\(\tan\)^{-1}2
3π4−tan−12\(\frac{3\pi}{4}\)-\(\tan\)^{-1}2
π2\(\frac{\pi}{2}\)
3π4−tan−13\(\frac{3\pi}{4}\)-\(\tan\)^{-1}3