Change the following complex numbers to Cartesiasn form: ` 4(cos300^0+isin300^0) `

Change the following complex numbers to Cartesiasn form: 2(cos0^0+isin0^0)

Change the following complex numbers to Cartesiasn form: 5(cos270^0 + i sin 270^0)

Express the following complex numbers in the polar form :(i)-2-2i(ii)sin30^(@)-i cos300^(@)(iii)cos390^(@)-i sin240^(@)(iv)1-cos theta+i sin theta

Find polar representation for the following complex numbers: z_(3)=cos a+sin a+i(sin a-cos a),a in sin[0,(pi)/(4)]

Give the following products in polar form: [2(cos0^0+isin0^0][4(cos90^0+isin90^0)]

Give the following quotients in polar form: (9(cos90^0+isin90^0))/(3(cos45^0+isin45^0)

Find the modulus and principal argument of the following complex number: cos70^(0)+i cos20^(@)

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

Give the following quotients in polar form: (i) (9(cos90^(@)+isin90^(@)))/(3(cos45^(@)+isin45^(@))) (ii) (7(cos135^(@)+isin135^(@)))/(14(cos90^(@)+isin90^(@))) .

The value of cos(-300^(@)) is