" D) "[2(cos210^(@)+sin210^(@))][4cos120^(@)+sin120^(@))

Give the following in polar form: (i) sin120^(@)-icos120^(@) (ii) [2cos210^(@)+isin210^(@))][4(cos120^(@)+isin120^(@))] (iii) [3(cos225^(@)+isin225^(@))][6(cos45^(@)+isin45^(@))] .

cos210^o=

Give the following in polar form : [2(cos 210^@ + i sin 210^@)] [4(cos 120^@+i sin 120^@)] .

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

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

Give the following products in polar form: [2(cos 210^0+isin210^0)][4(cos120^0+isin120^0)]

Give the following products in polar form: [2(cos 210^0+isin210^0)][4(cos120^0+isin120^0)]

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

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

cos510^(@)cos330^(@)+sin390^(@)cos120^(@)