The evaluations yield:
\[
f\left(\frac{\pi}{4}\right) \approx 1 \quad \text{and} \quad g\left(\frac{\pi}{4}\right) \approx 1
\]
Thus, the final answers are:
\[
\boxed{f\left(\frac{\pi}{4}\right) \approx 1} \quad \text{and} \quad \boxed{g\left(\frac{\pi}{4}\right) \approx 1}
\]