Решить тригонометрическое уравнение через разложение на множители sin (П/12 + х) + sin (П/4-х)=1
2sin[(π/12+x+π/4-x)/2]*cos[(π/12+x-π/4+x)/2]=1 2sin(π/6)*cos(x-π/12)=1 2*1/2*cos(x-π/12)=1 cos(x-π/12)=1 x-π/12=2πk x=π/12+2πk,k∈z
2sin ( π/12+x+π/4-x /2) *cos ( π/12+x-π/4+x /2 ) =1 2sin π/6 * cos ( 2x-π/6/2)=1 2sin π/6 * cos ( x-π/12)=1 cos(x-π/12)=1 x-π/12=2πn x=π/12+2πn