Sіn(п|6 +х) + sіn(п/6-х)=

Question

Sіn(п|6 +х) + sіn(п/6-х)=

Answer 1

sin(pi/6)cosx+cos(pi/6)sinx+sin(pi/6)cosx-cos(pi/6)sinx=2sin(pi/6)cosx=2*1/2cosx=cosx