Question

√200*сos (-4π/3)*sin (-π/4)=√ (2/100)*cos (4π/3)* (-sin (π/4))== √2*√100*cos (π+π/3)* (-√2/2)=√2*10* (-0,5)* (-√2/2) =5. 1) 8 * 5 = ?

Answer 1

8*5=40

заранее незачто))