Question

2*sin(3п/8)*cos(3п/8)+2корень из 2

Answer 1

2sinxcosx=sin2x
sin(6п/8)+2√2 = sin(3п/4)+2√2 = sin(п-п/4)+2√2 = sin(п/4)+2√2 = √2/2+2√2 =
= √2+4√2/2= 5√2/2