Question

$\sqrt{2}$ * sin22.5*cos22.5

Answer 1

Ответ:     1/2=0.5.

Объяснение:

√2* sin22.5*cos22.5=√2*1/2sin(2*22.5) = √2/2*sin45 =

= √2/2*(√2/2) = 2/4 = 1/2=0.5.