Question: In studying stable isotope cycles, a micropaleontologist fits a sinusoidal model $y = A \sin(Bt + C) + D$ to δ¹⁸O data, with period 12,000 years, maximum value 2.1, minimum 1.5, and phase shift $C = \frac{\pi}{12}$. Find the value of $A$.

Mon, 04 May 2026 07:43:45 +0000

Content under review