sin600^(@)cos330^(@)+cos120^(@)sin150^(@)=

Prove that: sin600^(@)cos390^(@)+cos480^(@)s in150^(@)=-1

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

The value of sin 600^(@) cos 330^(@)+ cos 120^(@) sin 150^(@) is ............... A) -1 B) 1 C) (1)/(sqrt2) D) (sqrt3)/(2)

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

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

Find the value of sin330^(@)cos120^(@)+cos210^(@)sin300^(@)

write the value of sin 600^@,cos 330^@,cos 120^@,sin 150^@

Prove that sin780^(@)*sin480^(@)+cos120^(@)*sin150^(@)=(1)/(2)

Prove that sin750^(@)cos480^(@)+cos120^(@)cos60^(@)=(-1)/2

Prove that sin 600^@cos 330^@+cos 120^@sin 150^@+sin 180^@cos 180^@ = -1