Question

Express sin150 degrees - i cos150 degrees in polar form

Answer 1

Step-by-step explanation:

$- i(cos150 + i \: sin150)$

Answer 2

Answer:

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Step-by-step explanation:

cos 150 = cos(-30+180)

-cos 30 = - root 3/2

sin 150 = sin(-30+180) = sin 30 = 1/2

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