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" 1."sin(150^(@)+x)^(@)-x)+cos(120^(@)+x...

" 1."sin(150^(@)+x)^(@)-x)+cos(120^(@)+x)=0

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" cos x + cos " (120^(@) -x ) + " cos "(120^(@) +x)=0

The period of sin x sin(120^(@) + x) sin(120^(@) -x) is

" sin " (150^(@) + x) + " sin " (150^(@) -x) " = cos x"

Time period of sin x sin(120^(@)-x)sin(120^(@)+x)=

sin120^(@)cos150^(@)-cos240^(@)sin330^(@)=

sin120^(@)cos150^(@)-cos240^(@)sin330^(@)

The period of cosx cos (120^(0) - x) cos (120^(0) + x) is

sin 120^(@) cos 150^(@)- cos 240^(@) sin 330^(@) =

sin 120^(@) cos 150^(@)- cos 240^(@) sin 330^(@) =

The value of sin 600^(@) cos 330^(@)+ cos 120^(@) sin 150^(@) is