" (vii) "sin120^(@)-1cos120^(@)

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

Find the modulus and the arguments of the following complex numbers : sin 120^(@)-i cos120^(@)

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

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

If B+C=60^(@) then show that : sin(120^(@)-B)=sin(120^(@)-C)

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

Find the value of (sin 135^(@) - cos 120^(@))/(sin 135^(@) + cos 120^(@))

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

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