Question

Вычислите: sin(x/2-pi/4)=0

Answer 1

$sin( frac{x}{2} - frac{ pi }{4} ) = 0 \ frac{x}{2} - frac{ pi }{4} = pi n, n in Z \ frac{x}{2} = frac{ pi }{4} + pi n, n in Z \ x = frac{ pi }{2} + 2 pi n, n in Z$