" 24."(sin120^(@)-i cos120^(@))

Find the modulus and argument of each of the following complex numbers and hence express each of them in polar form: (sin 120^(@) - i cos 120^(@))

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

cos120^o=

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

Convert the following into polar form : (i) -1+isqrt(3) (ii) 1-i (iii) 1-(1)/(i) (iv) 3-4i (v) sin120^(@)-icos120^(@) (vi) 2

Convert the following into polar form : (i) -1+isqrt(3) (ii) 1-i (iii) 1-(1)/(i) (iv) 3-4i (v) sin120^(@)-icos120^(@) (vi) 2

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

Find the value of (i) cos(-30^(@)) " " (ii) sin 120^(@) " " (iii) sin135^(@) " " (iv) cos 120^(@)" " (v) sin270^(@) " " (vi) cos270^(@)

Find the modulus and argument of the following complex number and hence express them in the polar form: sin 120^@-i\ cos 120^@