Question

Найдите значение выражения
sin(π/2)+sin(3π/2)

Answer 1

Решение во вложении

Answer 2

$\mathtt{\sin(\frac{\pi}{2})+\sin(\frac{3\pi}{2})=\sin(\frac{\pi}{2})+\sin(-\frac{\pi}{2})=\sin(\frac{\pi}{2})-\sin(\frac{\pi}{2})=0}$