📘 surveying, algebra, trigonometry

1. **Problem 1:** Evaluate $$F_3 = \frac{3}{2} a^3 + 2b - 5c + 5^x$$ given $$x=0$$ and $$y=\frac{\pi}{2}$$. Since $$x=0$$, we have $$5^x = 5^0 = 1$$.