Решите пожалуйста,как можно подробнее
1 + cos6x = 2 sin^2*5x
1+ cos6x=2sin²5x 1-2sin²5x+ cos6x=0 1-1+cos10x+ cos6x=0 cos10x+ cos6x=0 2cos8x•cos2x=0 1) cos8x=0 => 8x=π/2+πn => x=π/16+(π/8)•n 2) cos2x=0 => 2x=π/2+πn => x=π/4+(π/2)•n