$\frac{\pi}{3}$

$\frac{\pi}{4}$

$\frac{\pi}{6}$

$\frac{\pi}{2}$

$\frac{3 \pi}{64}$

$\frac{9 \pi}{64}$

$\frac{9 \pi}{35}$

$\frac{9 \pi}{280}$

$f(t) f(\pi)$

$f(t)-f(\pi)$

$f(t)+f(\pi)$

$\frac{f(t)}{f(\pi)}$

$\frac{2^{15}}{63}$

$\frac{2^{16}}{315}$

$\frac{2^{16}}{189}$

$\frac{2^{10}}{63}$