\[ f\left(\frac\pi2b\right) = a \sin\left(b \cdot \frac\pi2b + c\right) + d = a \sin\left(\frac\pi2 + c\right) + d = 4 \] - AMAZONAWS 📅 March 11, 2026 👤 scraface Mar 11, 2026
![\[ f\left(\frac{\pi}{2b}\right) = a \sin\left(b \cdot \frac{\pi}{2b} + c\right) + d = a \sin\left(\frac{\pi}{2} + c\right) + d = 4 \]](https://soloferat.biz.id/images/-fleftfracpi2bright--a-sinleftb-cdot-fracpi2b--cright--d--a-sinleftfracpi2--cright--d--4-.jpg)
