Question

Чему равен:4pi,-7pi,13/2pi,-11/2pi,540°

Answer 1

$4\pi=720^{\circ}$
$-7\pi=-1260^{\circ}$
$\frac{13\pi}{2}=1170^{\circ}$
$-\frac{11\pi}{2}=990^{\circ}$
$540^{\circ}=3\pi$