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Values of (1-isqrt(3))^(1/3) is (are) (A...

Values of `(1-isqrt(3))^(1/3)` is (are) (A) `2^(1/3)(cos20^0+isin20^0)` (B) `2^(1/3)(cos20^0-isin20^0)` (C) `2^(1/3)(cos100^0+isin100^0) (D) `2^(1/3)(cos220^0+isin220^0)`

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(2cos 40^0-cos 20^0)/(sin 20^0)=

Re [((cos2^(@)+isin2^(@))^(100)(cos5^(@)+isin5^(@))^(200))/((cos10^(@)+isin10^(@))^(126))]

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

cos4 0^(@)+cos2 0^(@))=3(cos1 0^(@)+sin2 0^(@)) 40 CUSOUcos 40^@ + cos 20O 4(cos310^@ + sin320^@) = 3(cos 10^@ + sin20^@)N3.1 = 4

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

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

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

cos5^(0)+cos24^(0)+cos175^(0)+cos204^(0)+cos300^(@)= 1) (1)/(2) 2) 13)(3)/(2)4)2

(cos^(2)1^(0)-cos^(2)2^(0))/(2sin3^(0)*sin1^(0)) is equal to